| Years |
|---|
| Millennium |
| 2nd millennium |
| Centuries |
| Decades |
| Years |
| Gregorian calendar | 1212 MCCXII |
| Ab urbe condita | 1965 |
| Armenian calendar | 661 ԹՎ ՈԿԱ |
| Assyrian calendar | 5962 |
| Balinese saka calendar | 1133–1134 |
| Bengali calendar | 619 |
| Berber calendar | 2162 |
| English Regnal year | 13 Joh. 1 – 14 Joh. 1 |
| Buddhist calendar | 1756 |
| Burmese calendar | 574 |
| Byzantine calendar | 6720–6721 |
| Chinese calendar | 辛未年 (Metal Goat) 3908 or 3848 — to — 壬申年 (Water Monkey) 3909 or 3849 |
| Coptic calendar | 928–929 |
| Discordian calendar | 2378 |
| Ethiopian calendar | 1204–1205 |
| Hebrew calendar | 4972–4973 |
| Hindu calendars | |
| - Vikram Samvat | 1268–1269 |
| - Shaka Samvat | 1133–1134 |
| - Kali Yuga | 4312–4313 |
| Holocene calendar | 11212 |
| Igbo calendar | 212–213 |
| Iranian calendar | 590–591 |
| Islamic calendar | 608–609 |
| Japanese calendar | Kenryaku 2 (建暦2年) |
| Javanese calendar | 1120–1121 |
| Julian calendar | 1212 MCCXII |
| Korean calendar | 3545 |
| Minguo calendar | 700 before ROC 民前700年 |
| Nanakshahi calendar | −256 |
| Thai solar calendar | 1754–1755 |
| Tibetan calendar | ལྕགས་མོ་ལུག་ལོ་ (female Iron-Sheep) 1338 or 957 or 185 — to — ཆུ་ཕོ་སྤྲེ་ལོ་ (male Water-Monkey) 1339 or 958 or 186 |
1212 (MCCXII) was a leap year starting on Sunday of the Julian calendar, the 1212th year of the Common Era (CE) and Anno Domini (AD) designations, the 212th year of the 2nd millennium, the 12th year of the 13th century, and the 3rd year of the 1210s decade. As of the start of 1212, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.