| Years |
|---|
| Millennium |
| 2nd millennium |
| Centuries |
| Decades |
| Years |
| Gregorian calendar | 1187 MCLXXXVII |
| Ab urbe condita | 1940 |
| Armenian calendar | 636 ԹՎ ՈԼԶ |
| Assyrian calendar | 5937 |
| Balinese saka calendar | 1108–1109 |
| Bengali calendar | 594 |
| Berber calendar | 2137 |
| English Regnal year | 33 Hen. 2 – 34 Hen. 2 |
| Buddhist calendar | 1731 |
| Burmese calendar | 549 |
| Byzantine calendar | 6695–6696 |
| Chinese calendar | 丙午年 (Fire Horse) 3883 or 3823 — to — 丁未年 (Fire Goat) 3884 or 3824 |
| Coptic calendar | 903–904 |
| Discordian calendar | 2353 |
| Ethiopian calendar | 1179–1180 |
| Hebrew calendar | 4947–4948 |
| Hindu calendars | |
| - Vikram Samvat | 1243–1244 |
| - Shaka Samvat | 1108–1109 |
| - Kali Yuga | 4287–4288 |
| Holocene calendar | 11187 |
| Igbo calendar | 187–188 |
| Iranian calendar | 565–566 |
| Islamic calendar | 582–583 |
| Japanese calendar | Bunji 3 (文治３年) |
| Javanese calendar | 1094–1095 |
| Julian calendar | 1187 MCLXXXVII |
| Korean calendar | 3520 |
| Minguo calendar | 725 before ROC 民前725年 |
| Nanakshahi calendar | −281 |
| Seleucid era | 1498/1499 AG |
| Thai solar calendar | 1729–1730 |
| Tibetan calendar | མེ་ཕོ་རྟ་ལོ་ (male Fire-Horse) 1313 or 932 or 160 — to — མེ་མོ་ལུག་ལོ་ (female Fire-Sheep) 1314 or 933 or 161 |
1187 (MCLXXXVII) was a common year starting on Thursday of the Julian calendar, the 1187th year of the Common Era (CE) and Anno Domini (AD) designations, the 187th year of the 2nd millennium, the 87th year of the 12th century, and the 8th year of the 1180s decade. As of the start of 1187, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.