| Centuries: | 6th century · 7th century · 8th century |
| Decades: | 590s 600s 610s 620s 630s 640s 650s |
| Years: | 622 623 624 625 626 627 628 |
| 625 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 625 DCXXV |
| Ab urbe condita | 1378 |
| Armenian calendar | 74 ԹՎ ՀԴ |
| Bahá'í calendar | -1219 – -1218 |
| Bengali calendar | 32 |
| Berber calendar | 1575 |
| Buddhist calendar | 1169 |
| Burmese calendar | -13 |
| Byzantine calendar | 6133 – 6134 |
| Chinese calendar | 甲申年十一月十七日 (3261/3321-11-17) — to —
乙酉年十一月廿七日(3262/3322-11-27) |
| Coptic calendar | 341 – 342 |
| Ethiopian calendar | 617 – 618 |
| Hebrew calendar | 4385 – 4386 |
| Hindu calendars | |
| - Bikram Samwat | 681 – 682 |
| - Shaka Samvat | 547 – 548 |
| - Kali Yuga | 3726 – 3727 |
| Holocene calendar | 10625 |
| Iranian calendar | 3 – 4 |
| Islamic calendar | 3 – 4 |
| Japanese calendar | |
| Korean calendar | 2958 |
| Thai solar calendar | 1168 |