620
| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 620 DCXX |
| Ab urbe condita | 1373 |
| Armenian calendar | 69 ԹՎ ԿԹ |
| Assyrian calendar | 5370 |
| Bengali calendar | 27 |
| Berber calendar | 1570 |
| Buddhist calendar | 1164 |
| Burmese calendar | −18 |
| Byzantine calendar | 6128–6129 |
| Chinese calendar |
己卯年 (Earth Rabbit) 3316 or 3256 — to — 庚辰年 (Metal Dragon) 3317 or 3257 |
| Coptic calendar | 336–337 |
| Discordian calendar | 1786 |
| Ethiopian calendar | 612–613 |
| Hebrew calendar | 4380–4381 |
| Hindu calendars | |
| - Vikram Samvat | 676–677 |
| - Shaka Samvat | 541–542 |
| - Kali Yuga | 3720–3721 |
| Holocene calendar | 10620 |
| Iranian calendar | 2 BP – 1 BP |
| Islamic calendar | 2 BH – 1 BH |
| Japanese calendar | N/A |
| Javanese calendar | 510–511 |
| Julian calendar | 620 DCXX |
| Korean calendar | 2953 |
| Minguo calendar | 1292 before ROC 民前1292年 |
| Nanakshahi calendar | −848 |
| Seleucid era | 931/932 AG |
| Thai solar calendar | 1162–1163 |
Year 620 (DCXX) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. The denomination 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.
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