| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 622 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 622 DCXXII |
| Ab urbe condita | 1375 |
| Armenian calendar | 71 ԹՎ ՀԱ |
| Assyrian calendar | 5372 |
| Balinese saka calendar | 543–544 |
| Bengali calendar | 29 |
| Berber calendar | 1572 |
| Buddhist calendar | 1166 |
| Burmese calendar | −16 |
| Byzantine calendar | 6130–6131 |
| Chinese calendar | 辛巳年 (Metal Snake) 3319 or 3112 — to — 壬午年 (Water Horse) 3320 or 3113 |
| Coptic calendar | 338–339 |
| Discordian calendar | 1788 |
| Ethiopian calendar | 614–615 |
| Hebrew calendar | 4382–4383 |
| Hindu calendars | |
| - Vikram Samvat | 678–679 |
| - Shaka Samvat | 543–544 |
| - Kali Yuga | 3722–3723 |
| Holocene calendar | 10622 |
| Iranian calendar | 0–1 |
| Islamic calendar | 0–1 |
| Japanese calendar | N/A |
| Javanese calendar | 512–513 |
| Julian calendar | 622 DCXXII |
| Korean calendar | 2955 |
| Minguo calendar | 1290 before ROC 民前1290年 |
| Nanakshahi calendar | −846 |
| Seleucid era | 933/934 AG |
| Thai solar calendar | 1164–1165 |
| Tibetan calendar | 阴金蛇年 (female Iron-Snake) 748 or 367 or −405 — to — 阳水马年 (male Water-Horse) 749 or 368 or −404 |
Year 622 (DCXXII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar, the 622nd year of the Common Era (CE) and Anno Domini (AD) designations, the 622nd year of the 1st millennium, the 22nd year of the 7th century, and the 3rd year of the 620s decade. The denomination 622 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.