| Centuries: | 6th century · 7th century · 8th century |
| Decades: | 580s 590s 600s 610s 620s 630s 640s |
| Years: | 609 610 611 612 613 614 615 |
| 612 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 612 DCXII |
| Ab urbe condita | 1365 |
| Armenian calendar | 61 ԹՎ ԿԱ |
| Bahá'í calendar | -1232 – -1231 |
| Bengali calendar | 19 |
| Berber calendar | 1562 |
| Buddhist calendar | 1156 |
| Burmese calendar | -26 |
| Byzantine calendar | 6120 – 6121 |
| Chinese calendar | 辛未年十一月廿三日 (3248/3308-11-23) — to —
壬申年十二月初四日(3249/3309-12-4) |
| Coptic calendar | 328 – 329 |
| Ethiopian calendar | 604 – 605 |
| Hebrew calendar | 4372 – 4373 |
| Hindu calendars | |
| - Bikram Samwat | 668 – 669 |
| - Shaka Samvat | 534 – 535 |
| - Kali Yuga | 3713 – 3714 |
| Holocene calendar | 10612 |
| Iranian calendar | 10 BP – 9 BP |
| Islamic calendar | 10 BH – 9 BH |
| Japanese calendar | |
| Korean calendar | 2945 |
| Thai solar calendar | 1155 |