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Uses a year of 19 months of 19 days each and a 1844 era. Also known as the "Baháʼí Calendar" or the "Wondrous Calendar". Thai solar calendar: solar: Gregorian: 1888: Thailand: The Gregorian calendar but using the Buddhist Era (543 BC) Invariable Calendar: solar: Gregorian: 1900 — Gregorian calendar with four 91-day quarters of 13 weeks ...
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This page was last edited on 27 January 2025, at 01:06 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
This page was last edited on 27 January 2025, at 02:40 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Within these tables, January 1 is always the first day of the year. The Gregorian calendar did not exist before October 15, 1582. ... 1900 and 2100 but not 2000).
Microsoft Excel displays the day before January 1, 1900 (the earliest date it can represent) as January 0, 1900. [17] It also treats 1900 incorrectly as a leap year (whereas only centuries divisible by 400 are), so it displays the day before March 1, 1900 as the non-existent February 29 instead of February 28. This means March 1, 1900 is the ...
Each calendar year is typically 365 days long, with the idea that it takes that many days for the Earth to make one complete rotation around the sun. ... but the years 1700, 1800, and 1900 were ...
The calendar year has 13 months with 28 days each, divided into exactly 4 weeks (13 × 28 = 364). An extra day added as a holiday at the end of the year (after December 28, i.e. equal to December 31 Gregorian), sometimes called "Year Day", does not belong to any week and brings the total to 365 days.