| Years: 1242 1243 1244 – 1245 – 1246 1247 1248 |
|
| Decades: 1210s 1220s 1230s – 1240s – 1250s 1260s 1270s |
|
| Centuries: 12th century – 13th century – 14th century |
|
| 1245 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1245 in poetry | |
| Gregorian calendar | 1245 MCCXLV |
| Ab urbe condita | 1998 |
| Armenian calendar | 694 ԹՎ ՈՂԴ |
| Bahá'í calendar | -599 – -598 |
| Bengali calendar | 652 |
| Berber calendar | 2195 |
| Buddhist calendar | 1789 |
| Burmese calendar | 607 |
| Byzantine calendar | 6753 – 6754 |
| Chinese calendar | 甲辰年十二月初二日 (3881/3941-12-2) — to —
乙巳年十二月十一日(3882/3942-12-11) |
| Coptic calendar | 961 – 962 |
| Ethiopian calendar | 1237 – 1238 |
| Hebrew calendar | 5005 – 5006 |
| Hindu calendars | |
| - Bikram Samwat | 1301 – 1302 |
| - Shaka Samvat | 1167 – 1168 |
| - Kali Yuga | 4346 – 4347 |
| Holocene calendar | 11245 |
| Iranian calendar | 623 – 624 |
| Islamic calendar | 642 – 643 |
| Japanese calendar | |
| Korean calendar | 3578 |
| Thai solar calendar | 1788 |