| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1630 by topic |
|---|
| Arts and science |
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Works category |
| Gregorian calendar | 1630 MDCXXX |
| Ab urbe condita | 2383 |
| Armenian calendar | 1079 ԹՎ ՌՀԹ |
| Assyrian calendar | 6380 |
| Balinese saka calendar | 1551–1552 |
| Bengali calendar | 1037 |
| Berber calendar | 2580 |
| English Regnal year | 5 Cha. 1 – 6 Cha. 1 |
| Buddhist calendar | 2174 |
| Burmese calendar | 992 |
| Byzantine calendar | 7138–7139 |
| Chinese calendar | 己巳年 (Earth Snake) 4327 or 4120 — to — 庚午年 (Metal Horse) 4328 or 4121 |
| Coptic calendar | 1346–1347 |
| Discordian calendar | 2796 |
| Ethiopian calendar | 1622–1623 |
| Hebrew calendar | 5390–5391 |
| Hindu calendars | |
| - Vikram Samvat | 1686–1687 |
| - Shaka Samvat | 1551–1552 |
| - Kali Yuga | 4730–4731 |
| Holocene calendar | 11630 |
| Igbo calendar | 630–631 |
| Iranian calendar | 1008–1009 |
| Islamic calendar | 1039–1040 |
| Japanese calendar | Kan'ei 7 (寛永７年) |
| Javanese calendar | 1551–1552 |
| Julian calendar | Gregorian minus 10 days |
| Korean calendar | 3963 |
| Minguo calendar | 282 before ROC 民前282年 |
| Nanakshahi calendar | 162 |
| Thai solar calendar | 2172–2173 |
| Tibetan calendar | 阴土蛇年 (female Earth-Snake) 1756 or 1375 or 603 — to — 阳金马年 (male Iron-Horse) 1757 or 1376 or 604 |
1630 (MDCXXX) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1630th year of the Common Era (CE) and Anno Domini (AD) designations, the 630th year of the 2nd millennium, the 30th year of the 17th century, and the 1st year of the 1630s decade. As of the start of 1630, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.