| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 940 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 940 CMXL |
| Ab urbe condita | 1693 |
| Armenian calendar | 389 ԹՎ ՅՁԹ |
| Assyrian calendar | 5690 |
| Balinese saka calendar | 861–862 |
| Bengali calendar | 347 |
| Berber calendar | 1890 |
| Buddhist calendar | 1484 |
| Burmese calendar | 302 |
| Byzantine calendar | 6448–6449 |
| Chinese calendar | 己亥年 (Earth Pig) 3637 or 3430 — to — 庚子年 (Metal Rat) 3638 or 3431 |
| Coptic calendar | 656–657 |
| Discordian calendar | 2106 |
| Ethiopian calendar | 932–933 |
| Hebrew calendar | 4700–4701 |
| Hindu calendars | |
| - Vikram Samvat | 996–997 |
| - Shaka Samvat | 861–862 |
| - Kali Yuga | 4040–4041 |
| Holocene calendar | 10940 |
| Iranian calendar | 318–319 |
| Islamic calendar | 328–329 |
| Japanese calendar | Tengyō 3 (天慶３年) |
| Javanese calendar | 840–841 |
| Julian calendar | 940 CMXL |
| Korean calendar | 3273 |
| Minguo calendar | 972 before ROC 民前972年 |
| Nanakshahi calendar | −528 |
| Seleucid era | 1251/1252 AG |
| Thai solar calendar | 1482–1483 |
| Tibetan calendar | 阴土猪年 (female Earth-Pig) 1066 or 685 or −87 — to — 阳金鼠年 (male Iron-Rat) 1067 or 686 or −86 |
Year 940 (CMXL) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar.