2021

2021 in other calendars
Gregorian calendar	2021; MMXXI
Ab urbe condita	2774
Armenian calendar	1470; ԹՎ ՌՆՀ
Assyrian calendar	6771
Bahá'í calendar	177–178
Balinese saka calendar	1942–1943
Bengali calendar	1428
Berber calendar	2971
British Regnal year	69 Eliz. 2 – 70 Eliz. 2
Buddhist calendar	2565
Burmese calendar	1383
Byzantine calendar	7529–7530
Chinese calendar	庚子年 (Metal Rat); 4717 or 4657; — to —; 辛丑年 (Metal Ox); 4718 or 4658
Coptic calendar	1737–1738
Discordian calendar	3187
Ethiopian calendar	2013–2014
Hebrew calendar	5781–5782
Hindu calendars
- Vikram Samvat	2077–2078
- Shaka Samvat	1942–1943
- Kali Yuga	5121–5122
Holocene calendar	12021
Igbo calendar	1021–1022
Iranian calendar	1399–1400
Islamic calendar	1442–1443
Japanese calendar	Reiwa 3; (令和３年)
Javanese calendar	1954–1955
Juche calendar	110
Julian calendar	Gregorian minus 13 days
Korean calendar	4354
Minguo calendar	ROC 110; 民國110年
Nanakshahi calendar	553
Thai solar calendar	2564
Tibetan calendar	阳金鼠年; (male Iron-Rat); 2147 or 1766 or 994; — to —; 阴金牛年; (female Iron-Ox); 2148 or 1767 or 995
Unix time	1609459200 – 1640995199

2021 (MMXXI) was a common year starting on Friday in the Gregorian calendar, the 2021st year of the Common Era (CE) and Anno Domini (AD) designations, the 21st year of the 3rd millennium, the 21st year of the 21st century, and the 2nd year of the 2020s decade.

Gregorian calendar	2021 MMXXI
Ab urbe condita	2774
Armenian calendar	1470 ԹՎ ՌՆՀ
Assyrian calendar	6771
Bahá'í calendar	177–178
Balinese saka calendar	1942–1943
Bengali calendar	1428
Berber calendar	2971
British Regnal year	69 Eliz. 2 – 70 Eliz. 2
Buddhist calendar	2565
Burmese calendar	1383
Byzantine calendar	7529–7530
Chinese calendar	庚子年 (Metal Rat) 4717 or 4657 — to — 辛丑年 (Metal Ox) 4718 or 4658
Coptic calendar	1737–1738
Discordian calendar	3187
Ethiopian calendar	2013–2014
Hebrew calendar	5781–5782
Hindu calendars
- Vikram Samvat	2077–2078
- Shaka Samvat	1942–1943
- Kali Yuga	5121–5122
Holocene calendar	12021
Igbo calendar	1021–1022
Iranian calendar	1399–1400
Islamic calendar	1442–1443
Japanese calendar	Reiwa 3 (令和３年)
Javanese calendar	1954–1955
Juche calendar	110
Julian calendar	Gregorian minus 13 days
Korean calendar	4354
Minguo calendar	ROC 110 民國110年
Nanakshahi calendar	553
Thai solar calendar	2564
Tibetan calendar	阳金鼠年 (male Iron-Rat) 2147 or 1766 or 994 — to — 阴金牛年 (female Iron-Ox) 2148 or 1767 or 995
Unix time	1609459200 – 1640995199

2021 by topic
Arts, history, and science
Archaeology Architecture Art Literature Poetry Music Science
Countries

Lists of leaders
State leaders Colonial governors Religious leaders
Birth and death categories
Births Deaths
Establishments and disestablishments categories
Establishments Disestablishments
Works category
Works
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