| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 987 CMLXXXVII |
| Ab urbe condita | 1740 |
| Armenian calendar | 436 ԹՎ ՆԼԶ |
| Assyrian calendar | 5737 |
| Bengali calendar | 394 |
| Berber calendar | 1937 |
| Buddhist calendar | 1531 |
| Burmese calendar | 349 |
| Byzantine calendar | 6495–6496 |
| Chinese calendar |
丙戌年 (Fire Dog) 3683 or 3623 — to — 丁亥年 (Fire Pig) 3684 or 3624 |
| Coptic calendar | 703–704 |
| Discordian calendar | 2153 |
| Ethiopian calendar | 979–980 |
| Hebrew calendar | 4747–4748 |
| Hindu calendars | |
| - Vikram Samvat | 1043–1044 |
| - Shaka Samvat | 908–909 |
| - Kali Yuga | 4087–4088 |
| Holocene calendar | 10987 |
| Iranian calendar | 365–366 |
| Islamic calendar | 376–377 |
| Japanese calendar |
Kanna 3 / Eien 1 (永延元年) |
| Javanese calendar | 888–889 |
| Julian calendar | 987 CMLXXXVII |
| Korean calendar | 3320 |
| Minguo calendar | 925 before ROC 民前925年 |
| Nanakshahi calendar | −481 |
| Seleucid era | 1298/1299 AG |
| Thai solar calendar | 1529–1530 |
Year 987 (CMLXXXVII) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar.