Section: Information / Measurement System
Variable: Time Measurement System
Textual evidence of time measurement systems. Measurement units are named in sources. A natural unit such as 'day' doesn't qualify. Nor does a vague one like 'season'. Archaeological evidence is a clock (e.g., sundial)  
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Time Measurement System
#  Polity    Time Measurement System Tags Year(s) Edit Desc
1 Plantagenet England Transitional (Absent -> Present) Confident - Edit
Time was usually measured by the monastic day, with services and church bells indicating the time and patterns of the day followed daylight rather than exact times. However, at the beginning of the fourteenth century a clock was installed at Windsor castle. It was run weights and struck the time. [1]

[1]: (Prestwich 2005: 23) Prestwich, Michael. 2005. Plantagenet England 1225-1360. Oxford: Oxford University Press. https://www.zotero.org/groups/1051264/seshat_databank/items/XTBKFDCI


2 British Empire I present Confident - Edit
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3 Dutch Empire present Confident - Edit
NO_DESCRIPTION
4 Kingdom of Jimma present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


5 Adal Sultanate present Confident - Edit
Islamic calendar. “For example, the existence of a double recording system of lunar months is clearly documented in Somalia. There was normal usage to distinguish al-sana al-qama-riyya (‘lunar year’) – reckoned on the basis of months corresponding to the effective sightings of the new moon – from al-sana al-ta’ rīh iyya (‘civil year’) – reckoned according to the written Islamic calendar.” [1]

[1]: (Classen 2010, 1654) Classen, Albrecht. 2010. Handbook of Medieval Studies: Terms, Methods, Trends. Berlin: De Gruyter. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Classen/titleCreatorYear/items/R727NPC6/item-list


6 Tunni Sultanate present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar in order, are as follows: (1) Muharram; (2) Safar; (3) Rabi’al-Awwal; (4) Rabi’al-Akhir (or al-Thani); (5) Jumada’l-Ula; (6) Jumada’l-Akhira; (7) Rajab; (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’l-Qa’da; and (12) Dhu’l-Hijja. For administrative and agricultural reasons, medieval Muslims also used derivations of existing solar and/or fixed-month calendars from the region;” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Josef W. Meri Medieval Islamic Civilization: A-K Index. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/8BDKDQRX/library


7 Ajuran Sultanate present Confident - Edit
Islamic calendar. “For example, the existence of a double recording system of lunar months is clearly documented in Somalia. There was normal usage to distinguish al-sana al-qama-riyya (‘lunar year’) – reckoned on the basis of months corresponding to the effective sightings of the new moon – from al-sana al-ta’ rīh iyya (‘civil year’) – reckoned according to the written Islamic calendar.” [1]

[1]: (Classen 2010, 1654) Classen, Albrecht. 2010. Handbook of Medieval Studies: Terms, Methods, Trends. Berlin: De Gruyter. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/R727NPC6/library


8 Habr Yunis present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


9 Kingdom of Gomma present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


10 Sultanate of Geledi present Confident - Edit
Islamic calendar. “For example, the existence of a double recording system of lunar months is clearly documented in Somalia. There was normal usage to distinguish al-sana al-qama-riyya (‘lunar year’) – reckoned on the basis of months corresponding to the effective sightings of the new moon – from al-sana al-ta’ rīh iyya (‘civil year’) – reckoned according to the written Islamic calendar.” [1]

[1]: (Classen 2010, 1654) Classen, Albrecht. 2010. Handbook of Medieval Studies: Terms, Methods, Trends. Berlin: De Gruyter. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/R727NPC6/library


11 Shoa Sultanate present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar in order, are as follows: (1) Muharram; (2) Safar; (3) Rabi’al-Awwal; (4) Rabi’al-Akhir (or al-Thani); (5) Jumada’l-Ula; (6) Jumada’l-Akhira; (7) Rajab; (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’l-Qa’da; and (12) Dhu’l-Hijja. For administrative and agricultural reasons, medieval Muslims also used derivations of existing solar and/or fixed-month calendars from the region;” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Josef W. Meri Medieval Islamic Civilization: A-K Index. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/8BDKDQRX/library


12 Harla Kingdom present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


13 Hadiya Sultanate present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


14 Chaco Canyon - Late Bonito phase present Inferred - Edit
“Many Chacoan petroglyphs are geometric designs such as spirals, mazes, and hatching... One of the most famous petroglyphs in Chaco Canyon is the Sun Dagger. It consists of two spirals that mark the annual solstices and equinoxes.” [1]

[1]: (“Chaco Culture - Communication”) “Chaco Culture” NPS Museum Collections, accessed May 8, 2023, https://www.nps.gov/museum/exhibits/chcu/index6.html. https://www.zotero.org/groups/1051264/seshat_databank/items/NMRVDA5I


15 Ifat Sultanate present Confident - Edit
Islamic calendar. “For example, the existence of a double recording system of lunar months is clearly documented in Somalia. There was normal usage to distinguish al-sana al-qama-riyya (‘lunar year’) – reckoned on the basis of months corresponding to the effective sightings of the new moon – from al-sana al-ta’ rīh iyya (‘civil year’) – reckoned according to the written Islamic calendar.” [1]

[1]: (Classen 2010, 1654) Classen, Albrecht. 2010. Handbook of Medieval Studies: Terms, Methods, Trends. Berlin: De Gruyter. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Classen/titleCreatorYear/items/R727NPC6/item-list


16 Majeerteen Sultanate present Confident - Edit
Islamic calendar. “For example, the existence of a double recording system of lunar months is clearly documented in Somalia. There was normal usage to distinguish al-sana al-qama-riyya (‘lunar year’) – reckoned on the basis of months corresponding to the effective sightings of the new moon – from al-sana al-ta’ rīh iyya (‘civil year’) – reckoned according to the written Islamic calendar.” [1]

[1]: (Classen 2010, 1654) Classen, Albrecht. 2010. Handbook of Medieval Studies: Terms, Methods, Trends. Berlin: De Gruyter. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/R727NPC6/library


17 Kingdom of Gumma present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


18 Emirate of Harar present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


19 Early Sultanate of Aussa present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar in order, are as follows: (1) Muharram; (2) Safar; (3) Rabi’al-Awwal; (4) Rabi’al-Akhir (or al-Thani); (5) Jumada’l-Ula; (6) Jumada’l-Akhira; (7) Rajab; (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’l-Qa’da; and (12) Dhu’l-Hijja. For administrative and agricultural reasons, medieval Muslims also used derivations of existing solar and/or fixed-month calendars from the region;” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Josef W. Meri Medieval Islamic Civilization: A-K Index. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/8BDKDQRX/library


20 Isaaq Sultanate present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


21 Kingdom of Cayor present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


22 Kingdom of Saloum present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


23 Kingdom of Baol present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


24 Kingdom of Sine present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


25 Kingdom of Waalo present Confident - Edit
“The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


26 Jolof Empire present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


27 Imamate of Futa Toro present Confident - Edit
“The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


28 Denyanke Kingdom present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


29 Kingdom of Jolof present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


30 Early Cholas present Confident - Edit
“Moreover, in ancient India itself the dominant calendar is known, again through vedic sources, to have been lunar, whereas the 360- day savana year seems only to have functioned in certain contexts as a simplified scheme.” [1]

[1]: (Stern 2012, 189) Stern, Sacha. 2012. Calendars in Antiquity: Empires, States, and Societies. Oxford: Oxford University Press. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/N6QDRSRQ/library


31 Thanjavur Maratha Kingdom present Confident - Edit
“Essentially, the Tamil calendar is a solar calendar, with aspects of the lunar cycle incorporated for fixing certain religious and temple festivals. The Tamil month begins when the sun enters a particular iraci (rasi-zodiac). Therefore, the number of days in a particular month does not remain constant or equal, although on the average the length of the year is 365 days.” [1]

[1]: (Venkateswaran 2018, 274) Venkateswaran, T.V. 2018. ‘Ragoonatha Charry and his ‘Scientific’ Pancanga. In The Growth and Development of Astronomy and Astrophysics in India and the Asia-Pacific Region. London: Springer. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/collections/7F5SEVNA/items/7AH4P2I9/collection


32 Early Pandyas present Confident - Edit
“Moreover, in ancient India itself the dominant calendar is known, again through vedic sources, to have been lunar, whereas the 360- day savana year seems only to have functioned in certain contexts as a simplified scheme.” [1]

[1]: (Stern 2012, 189) Stern, Sacha. 2012. Calendars in Antiquity: Empires, States, and Societies. Oxford: Oxford University Press. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/N6QDRSRQ/library


33 Carnatic Sultanate present Confident - Edit
Islamic calendar. “The twelve months of the Islamic calendar, in order are as follows (1) Muharram; (2) Safar; (3) Rab’I al-Awwal; (4) Rab’i al-Akhir (or al-Thani); (5) Jumada ‘l-Ula; (6) Jumada ‘l-Akhira; (7) Rajab (8) Sha’ban; (9) Ramadan; (10) Shawwal; (11) Dhu’-Qa’da and (12) Dhu ‘l Hijja.” [1]

[1]: (Hanne 2006, 196) Hanne, Eric. 2006. ‘Dates and Calendars’ In Medieval Islamic Civilizations: A-K, Index. By Josef W. Meri. London: Routledge. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Dates%20and%20Calendars/titleCreatorYear/items/8BDKDQRX/item-list


34 Late Pallava Empire present Confident - Edit
“Moreover, in ancient India itself the dominant calendar is known, again through vedic sources, to have been lunar, whereas the 360- day savana year seems only to have functioned in certain contexts as a simplified scheme.” [1]

[1]: (Stern 2012, 189) Stern, Sacha. 2012. Calendars in Antiquity: Empires, States, and Societies. Oxford: Oxford University Press. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/N6QDRSRQ/library


35 Kalabhra Dynasty present Confident - Edit
“Moreover, in ancient India itself the dominant calendar is known, again through vedic sources, to have been lunar, whereas the 360- day savana year seems only to have functioned in certain contexts as a simplified scheme.” [1]

[1]: (Stern 2012, 189) Stern, Sacha. 2012. Calendars in Antiquity: Empires, States, and Societies. Oxford: Oxford University Press. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/items/N6QDRSRQ/library


36 Nayaks of Thanjavur present Confident - Edit
“Essentially, the Tamil calendar is a solar calendar, with aspects of the lunar cycle incorporated for fixing certain religious and temple festivals. The Tamil month begins when the sun enters a particular iraci (rasi-zodiac). Therefore, the number of days in a particular month does not remain constant or equal, although on the average the length of the year is 365 days.” [1]

[1]: (Venkateswaran 2018, 274) Venkateswaran, T.V. 2018. ‘Ragoonatha Charry and his ‘Scientific’ Pancanga. In The Growth and Development of Astronomy and Astrophysics in India and the Asia-Pacific Region. London: Springer. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/collections/7F5SEVNA/items/7AH4P2I9/collection


37 Austria - Habsburg Dynasty II present Confident 1867 CE 1918 CE Edit
Clocks were used. [1]

[1]: Curtis 2013: 142. https://www.zotero.org/groups/1051264/seshat_databank/items/TRKUBP92


38 Holy Roman Empire - Ottonian-Salian Dynasty present Confident - Edit
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39 Early United Mexican States present Confident - Edit
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40 Nayaks of Madurai present Confident - Edit
“Essentially, the Tamil calendar is a solar calendar, with aspects of the lunar cycle incorporated for fixing certain religious and temple festivals. The Tamil month begins when the sun enters a particular iraci (rasi-zodiac). Therefore, the number of days in a particular month does not remain constant or equal, although on the average the length of the year is 365 days.” [1] “The Pudu Mandapa is sometimes called the Vasanta or Spring Mandapa, a reference to the time of year when it is used. Vasanta is the Sanskrit term for the two Tamil months of Cittirai and Vaikaci (May-June).” [2]

[1]: (Venkateswaran 2018, 274) Venkateswaran, T.V. 2018. ‘Ragoonatha Charry and his ‘Scientific’ Pancanga. In The Growth and Development of Astronomy and Astrophysics in India and the Asia-Pacific Region. London: Springer. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/collections/7F5SEVNA/items/7AH4P2I9/collection

[2]: (Branfoot 2001, 195) Branfoot, Crispin. 2001. ‘Tirumala Nayaka’s ‘New Hall’ and the European Study of the South Indian Temple. Journal of the Royal Asiatic Society. Vol 11:2. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/collections/7F5SEVNA/items/FE5VZ76M/collection


41 Funj Sultanate present Inferred - Edit
Ideas on time in the Islamic world had existed since the medieval period. Due to maritime commerce and religious influences from Arab travellers it is highly plausible that Medieval Islamic ideas on time and science spread through Sudan, Ethiopia and the coastal areas of the Red Sea continuing in the early-modern and modern periods. “The most detailed descriptions of different kinds of sundials and of their theory appeared in the medieval Islamic countries. The first known to us, although nonextant, was written in Baghdad by Ibrahim al-Fazari (d.ca. 777).” [1]

[1]: (Selin 2008, 2052) Selin, Helaine. 2008. Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures vol. 1. London: Springer. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/search/Selin/titleCreatorYear/items/A26ZTE9Z/item-list


42 Sokoto Caliphate present Inferred - Edit
“Hence the regular calls to prayer were not even given from a lofty minaret but rather from a small dais a few feet high, usually by a blind man. A sighted person could tell him the right time from the stars or the sun’s shadow.” [1]

[1]: Last, Murray. “Contradictions in Creating a Jihadi Capital: Sokoto in the Nineteenth Century and Its Legacy.” African Studies Review, vol. 56, no. 2, 2013, pp. 1–20: 13. https://www.zotero.org/groups/1051264/seshat_databank/collections/GWWIKDDM/items/5RUPN5VI/collection


43 Pandya Dynasty present Inferred - Edit
“Essentially, the Tamil calendar is a solar calendar, with aspects of the lunar cycle incorporated for fixing certain religious and temple festivals. The Tamil month begins when the sun enters a particular iraci (rasi-zodiac). Therefore, the number of days in a particular month does not remain constant or equal, although on the average the length of the year is 365 days.” [1]

[1]: (Venkateswaran 2018, 274) Venkateswaran, T.V. 2018. ‘Ragoonatha Charry and his ‘Scientific’ Pancanga. In The Growth and Development of Astronomy and Astrophysics in India and the Asia-Pacific Region. London: Springer. Seshat URL: https://www.zotero.org/groups/1051264/seshat_databank/collections/7F5SEVNA/items/7AH4P2I9/collection


44 Us Reconstruction-Progressive present Confident - Edit
Pocket-watches, clocks, city tower-clocks, shift work, twenty-four hour clock. [1]

[1]: Volo and Volo 2004: 6. https://www.zotero.org/groups/1051264/seshat_databank/items/SIB5XSW97.


45 Antebellum US present Confident - Edit
Pocket-watches, clocks, city tower-clocks, shift work. [1]

[1]: Volo and Volo 2004: 6. https://www.zotero.org/groups/1051264/seshat_databank/items/SIB5XSW97.


46 Late Classic Tikal present Confident - Edit
“Just west of the North Acropolis, Hasaw built an unusual group of structures: a Twin Pyramid Group. It was not built to honor a person, but to honor time. Time was sacred to the Maya. It was so important that they used two different calendars to mark the passing of every day and every year. The number twenty also had great significance. The Maya numbering system was based on twenty, instead of on ten as ours is. The end of a twenty-year period, a katun, was therefore an event of great importance, and it was greeted with elaborate festivities.” [1]

[1]: (Mann 2002: 28) Mann, Elizabeth. 2002. Tikal: The Centre of the Mayan World. New York: Mikaya Press. https://www.zotero.org/groups/1051264/seshat_databank/items/VM7Q67Q8


47 Tudor and Early Stuart England present Confident - Edit
“French Huguenots and other Protestants driven from the continent by Louis XIV spurred the English porcelain, clock, silk, and paper industries.” [1] “Guilds chiefly undertook, in the name of the Trinity, the Virgin Mary, or a saint, to provide members with solemn funerals and requiem masses for their souls, but they also repaired bridges and highways, provided fresh water facilities and conduits in towns such as Bristol, Norwich, and Ashburton, offered members business contacts or proto-banking facilities, paid midwives, looked after town clocks, and played a prominent part in civic ceremonial and the rituals of the communal year. At Henry VII’s formal entry into Bristol in 1487, for example, an elephant with a clockwork Resurrection scene on its back was provided.” [2]

[1]: (Bucholz et al 2013: 362) Bucholz, Robert, Newton Key, and R.O. Bucholz. 2013. Early Modern England 1485-1714: A Narrative History. Chichester, UK: John Wiley & Sons. http://ebookcentral.proquest.com/lib/uvic/detail.action?docID=1166775. https://www.zotero.org/groups/1051264/seshat_databank/items/XQGJH96U

[2]: (Guy 1988: 22) Guy, John. 1988. Tudor England. Oxford: Oxford University Press. https://www.zotero.org/groups/1051264/seshat_databank/items/IIFAUUNA


48 Anglo-Saxon England II present Confident - Edit
At Canterbury Cathedral a silver tablet was found which listed the months and when it was hung from a chain acted as a portable sun dial. [1]

[1]: (Cathedral House and The Precincts Canterbury) ‘Anglo-Saxon Canterbury’, Canterbury Cathedral (blog). https://www.canterbury-cathedral.org/heritage/history/anglo-saxon-canterbury/. https://www.zotero.org/groups/1051264/seshat_databank/items/KTYTGA3V


49 Austria - Habsburg Dynasty I present Confident - Edit
Clocks were used. [1]

[1]: (Curtis 2013: 142) Curtis, Benjamin. 2013. The Habsburgs: The History of a Dynasty. London; New York: Bloomsbury. https://www.zotero.org/groups/1051264/seshat_databank/items/TRKUBP92


50 Napoleonic France present Confident - Edit
France had made the metric system of measurements and units since 1794. [1]

[1]: Cardarelli 2003: 73. https://www.zotero.org/groups/1051264/seshat_databank/items/UWS9ZN34.


51 Golden Horde present Inferred - Edit
Clocks, among other rare and expensive items, were gifted between the wealthy elite of the east (such as China and India) and the west (such as the Venetians), so they may have passed through the trade routes and possibly been gifted to a khan, but this is not confirmed in the sources. [1] Calendars were also used. [2]

[1]: Khakimov and Favereau 2017: 584. https://www.zotero.org/groups/1051264/seshat_databank/items/QL8H3FN8

[2]: Khakimov and Favereau 2017: 535. https://www.zotero.org/groups/1051264/seshat_databank/items/QL8H3FN8


52 Saffarid Caliphate present Inferred - Edit
The sources consulted have not confirmed the system used, however it is likely they had one given their extensive infrastructures, and that they probably used a Persian system.
53 British Empire IIIIIIIIII present Confident - Edit
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54 Russian Empire, Romanov Dynasty II present Confident Expert - Edit
Julian Calendar: Until 1918, Russia used the Julian calendar, which was 12 days behind the Gregorian calendar adopted by most Western countries by the 20th century. This difference led to some unique chronological discrepancies in historical events and records. [1]

Hours, Minutes, and Seconds: The basic units of hours, minutes, and seconds were used for everyday timekeeping. [2]

[1]: “Russian Calendar History,” accessed November 24, 2023, https://myweb.ecu.edu/mccartyr/Russia.html. Zotero link: 6ISBAAIB

[2]: Очерки Истории Русской Метрологии. XI - Начало XX Века - Шостьин Н.А., n.d., Zotero link: K39G27B6


55 Hohokam Culture unknown Suspected - Edit
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56 Lombard Kingdom unknown Suspected - Edit
Measurement systems have not been mentioned in the sources consulted.