| Millennium: | 1st Millennium |
|---|---|
| Centuries: | 1st cent. BC – 1st cent. – 2nd cent. |
| Decades: | -20s -10s 0s – 10s – 20s 30s 40s |
| Years: | 9 10 11 – 12 – 13 14 15 |
| Gregorian calendar | 12 XII |
| Ab urbe condita | 765 |
| Assyrian calendar | 4762 |
| Bengali calendar | −581 |
| Berber calendar | 962 |
| Buddhist calendar | 556 |
| Burmese calendar | −626 |
| Byzantine calendar | 5520–5521 |
| Chinese calendar | 辛未年 (Metal Goat) 2708 or 2648 — to — 壬申年 (Water Monkey) 2709 or 2649 |
| Coptic calendar | −272 – −271 |
| Discordian calendar | 1178 |
| Ethiopian calendar | 4–5 |
| Hebrew calendar | 3772–3773 |
| Hindu calendars | |
| - Vikram Samvat | 68–69 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3112–3113 |
| Holocene calendar | 10012 |
| Iranian calendar | 610 BP – 609 BP |
| Islamic calendar | 629 BH – 628 BH |
| Javanese calendar | N/A |
| Julian calendar | 12 XII |
| Korean calendar | 2345 |
| Minguo calendar | 1900 before ROC 民前1900年 |
| Nanakshahi calendar | −1456 |
| Seleucid era | 323/324 AG |
| Thai solar calendar | 554–555 |
The year 12 BC