| Millennium: | 1st millennium |
|---|---|
| Centuries: | 6th century – 7th century – 8th century |
| Decades: | 600s 610s 620s – 630s – 640s 650s 660s |
| Years: | 627 628 629 – 630 – 631 632 633 |
| 630 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 630 DCXXX |
| Ab urbe condita | 1383 |
| Armenian calendar | 79 ԹՎ ՀԹ |
| Assyrian calendar | 5380 |
| Bahá'í calendar | -1214–-1213 |
| Bengali calendar | 37 |
| Berber calendar | 1580 |
| English Regnal year | N/A |
| Buddhist calendar | 1174 |
| Burmese calendar | -8 |
| Byzantine calendar | 6138–6139 |
| Chinese calendar | 己丑年十二月十三日 (3266/3326-12-13) — to —
庚寅年十一月廿二日(3267/3327-11-22) |
| Coptic calendar | 346–347 |
| Ethiopian calendar | 622–623 |
| Hebrew calendar | 4390–4391 |
| Hindu calendars | |
| - Vikram Samvat | 686–687 |
| - Shaka Samvat | 552–553 |
| - Kali Yuga | 3731–3732 |
| Holocene calendar | 10630 |
| Iranian calendar | 8–9 |
| Islamic calendar | 8–9 |
| Japanese calendar | |
| Korean calendar | 2963 |
| Minguo calendar | 1282 before ROC 民前1282年 |
| Thai solar calendar | 1173 |
Year 630 (DCXXX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 630 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.