620

Millennium: 1st millennium
Centuries:
Decades:
Years:
620 in various calendars
Gregorian calendar620
DCXX
Ab urbe condita1373
Armenian calendar69
ԹՎ ԿԹ
Assyrian calendar5370
Balinese saka calendar541–542
Bengali calendar27
Berber calendar1570
Buddhist calendar1164
Burmese calendar−18
Byzantine calendar6128–6129
Chinese calendar己卯年 (Earth Rabbit)
3317 or 3110
    — to —
庚辰年 (Metal Dragon)
3318 or 3111
Coptic calendar336–337
Discordian calendar1786
Ethiopian calendar612–613
Hebrew calendar4380–4381
Hindu calendars
 - Vikram Samvat676–677
 - Shaka Samvat541–542
 - Kali Yuga3720–3721
Holocene calendar10620
Iranian calendar2 BP – 1 BP
Islamic calendar2 BH – 1 BH
Japanese calendarN/A
Javanese calendar510–511
Julian calendar620
DCXX
Korean calendar2953
Minguo calendar1292 before ROC
民前1292年
Nanakshahi calendar−848
Seleucid era931/932 AG
Thai solar calendar1162–1163
Tibetan calendar阴土兔年
(female Earth-Rabbit)
746 or 365 or −407
    — to —
阳金龙年
(male Iron-Dragon)
747 or 366 or −406
The Sasanian Empire ca. 620

Year 620 (CXX) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. The designation 620 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.