| Millennium: | 2nd Millennium |
|---|---|
| Centuries: | 16th cent. – 17th cent. – 18th cent. |
| Decades: | 1600s 1610s 1620s – 1630s – 1640s 1650s 1660s |
| Years: | 1634 1635 1636 – 1637 – 1638 1639 1640 |
| Gregorian calendar | 1637 MDCXXXVII |
| Ab urbe condita | 2390 |
| Armenian calendar | 1086 ԹՎ ՌՁԶ |
| Assyrian calendar | 6387 |
| Bengali calendar | 1044 |
| Berber calendar | 2587 |
| English Regnal year | 12 Cha. 1 – 13 Cha. 1 |
| Buddhist calendar | 2181 |
| Burmese calendar | 999 |
| Byzantine calendar | 7145–7146 |
| Chinese calendar | 丙子年 (Fire Rat) 4333 or 4273 — to — 丁丑年 (Fire Ox) 4334 or 4274 |
| Coptic calendar | 1353–1354 |
| Discordian calendar | 2803 |
| Ethiopian calendar | 1629–1630 |
| Hebrew calendar | 5397–5398 |
| Hindu calendars | |
| - Vikram Samvat | 1693–1694 |
| - Shaka Samvat | 1558–1559 |
| - Kali Yuga | 4737–4738 |
| Holocene calendar | 11637 |
| Igbo calendar | 637–638 |
| Iranian calendar | 1015–1016 |
| Islamic calendar | 1046–1047 |
| Japanese calendar | Kan'ei 14 (寛永１４年) |
| Javanese calendar | 1558–1559 |
| Julian calendar | Gregorian minus 10 days |
| Korean calendar | 3970 |
| Minguo calendar | 275 before ROC 民前275年 |
| Nanakshahi calendar | 169 |
| Thai solar calendar | 2179–2180 |
The year 1637 BC