1021

Millennium: 2nd millennium
Centuries:
Decades:
Years:
1021 in various calendars
Gregorian calendar1021
MXXI
Ab urbe condita1774
Armenian calendar470
ԹՎ ՆՀ
Assyrian calendar5771
Balinese saka calendar942–943
Bengali calendar428
Berber calendar1971
English Regnal yearN/A
Buddhist calendar1565
Burmese calendar383
Byzantine calendar6529–6530
Chinese calendar庚申年 (Metal Monkey)
3718 or 3511
    — to —
辛酉年 (Metal Rooster)
3719 or 3512
Coptic calendar737–738
Discordian calendar2187
Ethiopian calendar1013–1014
Hebrew calendar4781–4782
Hindu calendars
 - Vikram Samvat1077–1078
 - Shaka Samvat942–943
 - Kali Yuga4121–4122
Holocene calendar11021
Igbo calendar21–22
Iranian calendar399–400
Islamic calendar411–412
Japanese calendarKannin 5 / Jian 1
(治安元年)
Javanese calendar923–924
Julian calendar1021
MXXI
Korean calendar3354
Minguo calendar891 before ROC
民前891年
Nanakshahi calendar−447
Seleucid era1332/1333 AG
Thai solar calendar1563–1564
Tibetan calendar阳金猴年
(male Iron-Monkey)
1147 or 766 or −6
    — to —
阴金鸡年
(female Iron-Rooster)
1148 or 767 or −5
The Kingdom of Vaspurakan (908–1021)

Year 1021 (MXXI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.