1877 (MDCCCLXXVII) was a common year starting on Monday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1877th year of the Common Era (CE) and Anno Domini (AD) designations, the 877th year of the 2nd millennium, the 77th year of the 19th century, and the 8th year of the 1870s decade. As of the start of 1877, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium: 2nd millennium
Centuries: 18th century19th century20th century
Decades: 1840s  1850s  1860s  – 1870s –  1880s  1890s  1900s
Years: 1874 1875 187618771878 1879 1880
1877 in other calendars
Gregorian calendar1877
Ab urbe condita2630
Armenian calendar1326
Assyrian calendar6627
Bahá'í calendar33–34
Balinese saka calendar1798–1799
Bengali calendar1284
Berber calendar2827
British Regnal year40 Vict. 1 – 41 Vict. 1
Buddhist calendar2421
Burmese calendar1239
Byzantine calendar7385–7386
Chinese calendar丙子(Fire Rat)
4573 or 4513
    — to —
丁丑年 (Fire Ox)
4574 or 4514
Coptic calendar1593–1594
Discordian calendar3043
Ethiopian calendar1869–1870
Hebrew calendar5637–5638
Hindu calendars
 - Vikram Samvat1933–1934
 - Shaka Samvat1798–1799
 - Kali Yuga4977–4978
Holocene calendar11877
Igbo calendar877–878
Iranian calendar1255–1256
Islamic calendar1293–1294
Japanese calendarMeiji 10
Javanese calendar1805–1806
Julian calendarGregorian minus 12 days
Korean calendar4210
Minguo calendar35 before ROC
Nanakshahi calendar409
Thai solar calendar2419–2420
Tibetan calendar阳火鼠年
(male Fire-Rat)
2003 or 1622 or 850
    — to —
(female Fire-Ox)
2004 or 1623 or 851

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Deaths change