1931
| 1931 in altris calendaris | |
| Calendari gregorian | 1931 |
| Ab urbe condita | 2684 |
| Calendari armen | 1380 |
| Calendari cinês | 4627 — 4628 |
| Calendari ebraic | 5690 — 5691 |
| Calendari hindu -Vikram Samvat -Shaka Samvat -Kali Yuga |
1986 — 1987 1853 — 1854 5032 — 5033 |
| Calendari iranian | 1309 — 1310 |
| Calendari islamic | 1351 — 1352 |
| Calendari runic | 2181 |