Section: Information / Measurement System

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)  
Contributors: Seshat RAs and Experts

Variable Definition
Polity The Seshat Polity Name
Year(s) The years for which we have the data. [negative = BCE]
Confidence Inferred : The value is inferred.
Suspected : The value is suspected (Expert Check Needed).
Evidenced : The value is backed up by sufficient evidence.
Disputed? No : No disagreement among scholars.
Yes : There is disagreement among scholars.
Expert? : Not yet Checked by a Seshat Expert.
: Checked and accepted by a Seshat Expert (or RA).

Variable Definition
Time Measurement System The absence or presence of "Time Measurement System" for a polity.

Time Measurement System
#    Polity     Year(s)      Time Measurement System   Confidence     Disputed?     Expert?   Edit
1 Austria - Habsburg Dynasty II 1867 CE 1918 CE present Confident No Edit
2 British Empire I * Year Range of British Empire I is assumed.
[1690, 1849]
present Confident No Edit
3 Dutch Empire * Year Range of Dutch Empire is assumed.
[1648, 1795]
present Confident No Edit
4 Kingdom of Jimma * Year Range of Kingdom of Jimma is assumed.
[1790, 1932]
present Confident No Edit
5 Adal Sultanate * Year Range of Adal Sultanate is assumed.
[1375, 1543]
present Confident No Edit
6 Tunni Sultanate * Year Range of Tunni Sultanate is assumed.
[800, 1200]
present Confident No Edit
7 Ajuran Sultanate * Year Range of Ajuran Sultanate is assumed.
[1250, 1700]
present Confident No Edit
8 Habr Yunis * Year Range of Habr Yunis is assumed.
[1300, 1886]
present Confident No Edit
9 Kingdom of Gomma * Year Range of Kingdom of Gomma is assumed.
[1780, 1886]
present Confident No Edit
10 Sultanate of Geledi * Year Range of Sultanate of Geledi is assumed.
[1750, 1911]
present Confident No Edit
11 Hohokam Culture * Year Range of Hohokam Culture is assumed.
[300, 1500]
unknown Suspected No Edit
12 Shoa Sultanate * Year Range of Shoa Sultanate is assumed.
[1108, 1285]
present Confident No Edit
13 Harla Kingdom * Year Range of Harla Kingdom is assumed.
[-10000, 2000]
present Confident No Edit
14 Hadiya Sultanate * Year Range of Hadiya Sultanate is assumed.
[1300, 1680]
present Confident No Edit
15 Chaco Canyon - Late Bonito phase * Year Range of Chaco Canyon - Late Bonito phase is assumed.
[1101, 1140]
present Inferred No Edit
16 Ifat Sultanate * Year Range of Ifat Sultanate is assumed.
[1280, 1375]
present Confident No Edit
17 Majeerteen Sultanate * Year Range of Majeerteen Sultanate is assumed.
[1750, 1926]
present Confident No Edit
18 Kingdom of Gumma * Year Range of Kingdom of Gumma is assumed.
[1800, 1897]
present Confident No Edit
19 Emirate of Harar * Year Range of Emirate of Harar is assumed.
[1650, 1875]
present Confident No Edit
20 Early Sultanate of Aussa * Year Range of Early Sultanate of Aussa is assumed.
[1734, 1895]
present Confident No Edit
21 Isaaq Sultanate * Year Range of Isaaq Sultanate is assumed.
[1300, 1886]
present Confident No Edit
22 Kingdom of Cayor * Year Range of Kingdom of Cayor is assumed.
[1549, 1864]
present Confident No Edit
23 Kingdom of Saloum * Year Range of Kingdom of Saloum is assumed.
[1490, 1863]
present Confident No Edit
24 Kingdom of Baol * Year Range of Kingdom of Baol is assumed.
[1550, 1890]
present Confident No Edit
25 Kingdom of Sine * Year Range of Kingdom of Sine is assumed.
[1350, 1887]
present Confident No Edit
26 Kingdom of Waalo * Year Range of Kingdom of Waalo is assumed.
[1287, 1855]
present Confident No Edit
27 Jolof Empire * Year Range of Jolof Empire is assumed.
[1360, 1549]
present Confident No Edit
28 Imamate of Futa Toro * Year Range of Imamate of Futa Toro is assumed.
[1776, 1860]
present Confident No Edit
29 Denyanke Kingdom * Year Range of Denyanke Kingdom is assumed.
[1490, 1776]
present Confident No Edit
30 Kingdom of Jolof * Year Range of Kingdom of Jolof is assumed.
[1549, 1865]
present Confident No Edit
31 Early Cholas * Year Range of Early Cholas is assumed.
[-600, 300]
present Confident No Edit
32 Thanjavur Maratha Kingdom * Year Range of Thanjavur Maratha Kingdom is assumed.
[1675, 1799]
present Confident No Edit
33 Early Pandyas * Year Range of Early Pandyas is assumed.
[-600, 300]
present Confident No Edit
34 Carnatic Sultanate * Year Range of Carnatic Sultanate is assumed.
[1710, 1801]
present Confident No Edit
35 Late Pallava Empire * Year Range of Late Pallava Empire is assumed.
[300, 890]
present Confident No Edit
36 Kalabhra Dynasty * Year Range of Kalabhra Dynasty is assumed.
[200, 600]
present Confident No Edit
37 Nayaks of Thanjavur * Year Range of Nayaks of Thanjavur is assumed.
[1532, 1676]
present Confident No Edit
38 Plantagenet England * Year Range of Plantagenet England is assumed.
[1154, 1485]
Transitional (Absent -> Present) Confident No Edit
39 Nayaks of Madurai * Year Range of Nayaks of Madurai is assumed.
[1529, 1736]
present Confident No Edit
40 Funj Sultanate * Year Range of Funj Sultanate is assumed.
[1504, 1820]
present Inferred No Edit
41 Sokoto Caliphate * Year Range of Sokoto Caliphate is assumed.
[1804, 1904]
present Inferred No Edit
42 Pandya Dynasty * Year Range of Pandya Dynasty is assumed.
[590, 915]
present Inferred No Edit
43 Us Reconstruction-Progressive * Year Range of Us Reconstruction-Progressive is assumed.
[1866, 1933]
present Confident No Edit
44 Antebellum US * Year Range of Antebellum US is assumed.
[1776, 1865]
present Confident No Edit
45 Late Classic Tikal * Year Range of Late Classic Tikal is assumed.
[555, 869]
present Confident No Edit
46 Tudor and Early Stuart England * Year Range of Tudor and Early Stuart England is assumed.
[1486, 1689]
present Confident No Edit
47 Anglo-Saxon England II * Year Range of Anglo-Saxon England II is assumed.
[927, 1065]
present Confident No Edit
48 Austria - Habsburg Dynasty I * Year Range of Austria - Habsburg Dynasty I is assumed.
[1454, 1648]
present Confident No Edit
49 Early United Mexican States * Year Range of Early United Mexican States is assumed.
[1810, 1920]
present Confident No Edit
50 Golden Horde * Year Range of Golden Horde is assumed.
[1240, 1440]
present Inferred No Edit
51 Saffarid Caliphate * Year Range of Saffarid Caliphate is assumed.
[861, 1003]
present Inferred No Edit
52 Lombard Kingdom * Year Range of Lombard Kingdom is assumed.
[568, 774]
unknown Suspected No Edit
53 British Empire IIIIIIIIII * Year Range of British Empire IIIIIIIIII is assumed.
[1850, 1968]
present Confident No Edit
54 Russian Empire, Romanov Dynasty II * Year Range of Russian Empire, Romanov Dynasty II is assumed.
[1776, 1917]
present Confident No Edit
55 Holy Roman Empire - Ottonian-Salian Dynasty * Year Range of Holy Roman Empire - Ottonian-Salian Dynasty is assumed.
[919, 1125]
present Confident No Edit
56 Napoleonic France * Year Range of Napoleonic France is assumed.
[1816, 1870]
present Confident No Edit