| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 630 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 630 DCXXX |
| Ab urbe condita | 1383 |
| Armenian calendar | 79 ԹՎ ՀԹ |
| Assyrian calendar | 5380 |
| Balinese saka calendar | 551–552 |
| Bengali calendar | 37 |
| Berber calendar | 1580 |
| Buddhist calendar | 1174 |
| Burmese calendar | −8 |
| Byzantine calendar | 6138–6139 |
| Chinese calendar | 己丑年 (Earth Ox) 3327 or 3120 — to — 庚寅年 (Metal Tiger) 3328 or 3121 |
| Coptic calendar | 346–347 |
| Discordian calendar | 1796 |
| Ethiopian calendar | 622–623 |
| Hebrew calendar | 4390–4391 |
| Hindu calendars | |
| - Vikram Samvat | 686–687 |
| - Shaka Samvat | 551–552 |
| - Kali Yuga | 3730–3731 |
| Holocene calendar | 10630 |
| Iranian calendar | 8–9 |
| Islamic calendar | 8–9 |
| Japanese calendar | N/A |
| Javanese calendar | 520–521 |
| Julian calendar | 630 DCXXX |
| Korean calendar | 2963 |
| Minguo calendar | 1282 before ROC 民前1282年 |
| Nanakshahi calendar | −838 |
| Seleucid era | 941/942 AG |
| Thai solar calendar | 1172–1173 |
| Tibetan calendar | 阴土牛年 (female Earth-Ox) 756 or 375 or −397 — to — 阳金虎年 (male Iron-Tiger) 757 or 376 or −396 |
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.