1864

Millennium: 2nd millennium
Centuries:
Decades:
Years:
1864 in various calendars
Gregorian calendar1864
MDCCCLXIV
Ab urbe condita2617
Armenian calendar1313
ԹՎ ՌՅԺԳ
Assyrian calendar6614
Baháʼí calendar20–21
Balinese saka calendar1785–1786
Bengali calendar1271
Berber calendar2814
British Regnal year27 Vict. 1 – 28 Vict. 1
Buddhist calendar2408
Burmese calendar1226
Byzantine calendar7372–7373
Chinese calendar癸亥年 (Water Pig)
4561 or 4354
    — to —
甲子年 (Wood Rat)
4562 or 4355
Coptic calendar1580–1581
Discordian calendar3030
Ethiopian calendar1856–1857
Hebrew calendar5624–5625
Hindu calendars
 - Vikram Samvat1920–1921
 - Shaka Samvat1785–1786
 - Kali Yuga4964–4965
Holocene calendar11864
Igbo calendar864–865
Iranian calendar1242–1243
Islamic calendar1280–1281
Japanese calendarBunkyū 4 / Genji 1
(元治元年)
Javanese calendar1792–1793
Julian calendarGregorian minus 12 days
Korean calendar4197
Minguo calendar48 before ROC
民前48年
Nanakshahi calendar396
Thai solar calendar2406–2407
Tibetan calendar阴水猪年
(female Water-Pig)
1990 or 1609 or 837
    — to —
阳木鼠年
(male Wood-Rat)
1991 or 1610 or 838

1864 (MDCCCLXIV) was a leap year starting on Friday of the Gregorian calendar and a leap year starting on Wednesday of the Julian calendar, the 1864th year of the Common Era (CE) and Anno Domini (AD) designations, the 864th year of the 2nd millennium, the 64th year of the 19th century, and the 5th year of the 1860s decade. As of the start of 1864, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.