| Years |
|---|
| Millennium |
| 2nd millennium |
| Centuries |
| Decades |
| Years |
| Gregorian calendar | 1223 MCCXXIII |
| Ab urbe condita | 1976 |
| Armenian calendar | 672 ԹՎ ՈՀԲ |
| Assyrian calendar | 5973 |
| Balinese saka calendar | 1144–1145 |
| Bengali calendar | 630 |
| Berber calendar | 2173 |
| English Regnal year | 7 Hen. 3 – 8 Hen. 3 |
| Buddhist calendar | 1767 |
| Burmese calendar | 585 |
| Byzantine calendar | 6731–6732 |
| Chinese calendar | 壬午年 (Water Horse) 3919 or 3859 — to — 癸未年 (Water Goat) 3920 or 3860 |
| Coptic calendar | 939–940 |
| Discordian calendar | 2389 |
| Ethiopian calendar | 1215–1216 |
| Hebrew calendar | 4983–4984 |
| Hindu calendars | |
| - Vikram Samvat | 1279–1280 |
| - Shaka Samvat | 1144–1145 |
| - Kali Yuga | 4323–4324 |
| Holocene calendar | 11223 |
| Igbo calendar | 223–224 |
| Iranian calendar | 601–602 |
| Islamic calendar | 619–620 |
| Japanese calendar | Jōō 2 (貞応２年) |
| Javanese calendar | 1131–1132 |
| Julian calendar | 1223 MCCXXIII |
| Korean calendar | 3556 |
| Minguo calendar | 689 before ROC 民前689年 |
| Nanakshahi calendar | −245 |
| Thai solar calendar | 1765–1766 |
| Tibetan calendar | ཆུ་ཕོ་རྟ་ལོ་ (male Water-Horse) 1349 or 968 or 196 — to — ཆུ་མོ་ལུག་ལོ་ (female Water-Sheep) 1350 or 969 or 197 |
1223 (MCCXXIII) was a common year starting on Sunday of the Julian calendar, the 1223rd year of the Common Era (CE) and Anno Domini (AD) designations, the 223rd year of the 2nd millennium, the 23rd year of the 13th century, and the 4th year of the 1220s decade. As of the start of 1223, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.
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