| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
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| 1639 by topic |
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| Arts and science |
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Works category |
| Gregorian calendar | 1639 MDCXXXIX |
| Ab urbe condita | 2392 |
| Armenian calendar | 1088 ԹՎ ՌՁԸ |
| Assyrian calendar | 6389 |
| Balinese saka calendar | 1560–1561 |
| Bengali calendar | 1046 |
| Berber calendar | 2589 |
| English Regnal year | 14 Cha. 1 – 15 Cha. 1 |
| Buddhist calendar | 2183 |
| Burmese calendar | 1001 |
| Byzantine calendar | 7147–7148 |
| Chinese calendar | 戊寅年 (Earth Tiger) 4336 or 4129 — to — 己卯年 (Earth Rabbit) 4337 or 4130 |
| Coptic calendar | 1355–1356 |
| Discordian calendar | 2805 |
| Ethiopian calendar | 1631–1632 |
| Hebrew calendar | 5399–5400 |
| Hindu calendars | |
| - Vikram Samvat | 1695–1696 |
| - Shaka Samvat | 1560–1561 |
| - Kali Yuga | 4739–4740 |
| Holocene calendar | 11639 |
| Igbo calendar | 639–640 |
| Iranian calendar | 1017–1018 |
| Islamic calendar | 1048–1049 |
| Japanese calendar | Kan'ei 16 (寛永１６年) |
| Javanese calendar | 1560–1561 |
| Julian calendar | Gregorian minus 10 days |
| Korean calendar | 3972 |
| Minguo calendar | 273 before ROC 民前273年 |
| Nanakshahi calendar | 171 |
| Thai solar calendar | 2181–2182 |
| Tibetan calendar | 阳土虎年 (male Earth-Tiger) 1765 or 1384 or 612 — to — 阴土兔年 (female Earth-Rabbit) 1766 or 1385 or 613 |
1639 (MDCXXXIX) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1639th year of the Common Era (CE) and Anno Domini (AD) designations, the 639th year of the 2nd millennium, the 39th year of the 17th century, and the 10th and last year of the 1630s decade. As of the start of 1639, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.