1312
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1312 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1312 in poetry | 
| Gregorian calendar | 1312 MCCCXII | 
| Ab urbe condita | 2065 | 
| Armenian calendar | 761 ԹՎ ՉԿԱ | 
| Assyrian calendar | 6062 | 
| Balinese saka calendar | 1233–1234 | 
| Bengali calendar | 718–719 | 
| Berber calendar | 2262 | 
| English Regnal year | 5 Edw. 2 – 6 Edw. 2 | 
| Buddhist calendar | 1856 | 
| Burmese calendar | 674 | 
| Byzantine calendar | 6820–6821 | 
| Chinese calendar | 辛亥年 (Metal Pig) 4009 or 3802 — to — 壬子年 (Water Rat) 4010 or 3803 | 
| Coptic calendar | 1028–1029 | 
| Discordian calendar | 2478 | 
| Ethiopian calendar | 1304–1305 | 
| Hebrew calendar | 5072–5073 | 
| Hindu calendars | |
| - Vikram Samvat | 1368–1369 | 
| - Shaka Samvat | 1233–1234 | 
| - Kali Yuga | 4412–4413 | 
| Holocene calendar | 11312 | 
| Igbo calendar | 312–313 | 
| Iranian calendar | 690–691 | 
| Islamic calendar | 711–712 | 
| Japanese calendar | Ōchō 2 / Shōwa 1 (正和元年) | 
| Javanese calendar | 1223–1224 | 
| Julian calendar | 1312 MCCCXII | 
| Korean calendar | 3645 | 
| Minguo calendar | 600 before ROC 民前600年 | 
| Nanakshahi calendar | −156 | 
| Thai solar calendar | 1854–1855 | 
| Tibetan calendar | 阴金猪年 (female Iron-Pig) 1438 or 1057 or 285 — to — 阳水鼠年 (male Water-Rat) 1439 or 1058 or 286 | 
Year 1312 (MCCCXII) was a leap year starting on Saturday of the Julian calendar.