| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1277 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1277 in poetry | |
| Gregorian calendar | 1277 MCCLXXVII |
| Ab urbe condita | 2030 |
| Armenian calendar | 726 ԹՎ ՉԻԶ |
| Assyrian calendar | 6027 |
| Bengali calendar | 684 |
| Berber calendar | 2227 |
| English Regnal year | 5 Edw. 1 – 6 Edw. 1 |
| Buddhist calendar | 1821 |
| Burmese calendar | 639 |
| Byzantine calendar | 6785–6786 |
| Chinese calendar |
丙子年 (Fire Rat) 3973 or 3913 — to — 丁丑年 (Fire Ox) 3974 or 3914 |
| Coptic calendar | 993–994 |
| Discordian calendar | 2443 |
| Ethiopian calendar | 1269–1270 |
| Hebrew calendar | 5037–5038 |
| Hindu calendars | |
| - Vikram Samvat | 1333–1334 |
| - Shaka Samvat | 1198–1199 |
| - Kali Yuga | 4377–4378 |
| Holocene calendar | 11277 |
| Igbo calendar | 277–278 |
| Iranian calendar | 655–656 |
| Islamic calendar | 675–676 |
| Japanese calendar |
Kenji 3 (建治3年) |
| Javanese calendar | 1187–1188 |
| Julian calendar | 1277 MCCLXXVII |
| Korean calendar | 3610 |
| Minguo calendar | 635 before ROC 民前635年 |
| Nanakshahi calendar | −191 |
| Thai solar calendar | 1819–1820 |
Year 1277 (MCCLXXVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.