1823

Millennium: 2nd millennium
Centuries:
Decades:
Years:
1823 in various calendars
Gregorian calendar1823
MDCCCXXIII
Ab urbe condita2576
Armenian calendar1272
ԹՎ ՌՄՀԲ
Assyrian calendar6573
Balinese saka calendar1744–1745
Bengali calendar1230
Berber calendar2773
British Regnal yearGeo. 4 – 4 Geo. 4
Buddhist calendar2367
Burmese calendar1185
Byzantine calendar7331–7332
Chinese calendar壬午年 (Water Horse)
4520 or 4313
    — to —
癸未年 (Water Goat)
4521 or 4314
Coptic calendar1539–1540
Discordian calendar2989
Ethiopian calendar1815–1816
Hebrew calendar5583–5584
Hindu calendars
 - Vikram Samvat1879–1880
 - Shaka Samvat1744–1745
 - Kali Yuga4923–4924
Holocene calendar11823
Igbo calendar823–824
Iranian calendar1201–1202
Islamic calendar1238–1239
Japanese calendarBunsei 6
(文政6年)
Javanese calendar1750–1751
Julian calendarGregorian minus 12 days
Korean calendar4156
Minguo calendar89 before ROC
民前89年
Nanakshahi calendar355
Thai solar calendar2365–2366
Tibetan calendar阳水马年
(male Water-Horse)
1949 or 1568 or 796
    — to —
阴水羊年
(female Water-Goat)
1950 or 1569 or 797
August 18: Demerara rebellion begins.
April-November: Hundred Thousand Sons of Saint Louis
December 2: The Monroe Doctrine is introduced.

1823 (MDCCCXXIII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1823rd year of the Common Era (CE) and Anno Domini (AD) designations, the 823rd year of the 2nd millennium, the 23rd year of the 19th century, and the 4th year of the 1820s decade. As of the start of 1823, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.