| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 531 BC by topic |
| Politics |
|---|
| Categories |
| Gregorian calendar | 531 BC DXXXI BC |
| Ab urbe condita | 223 |
| Ancient Egypt era | XXVI dynasty, 134 |
| - Pharaoh | Amasis II, 40 |
| Ancient Greek era | 62nd Olympiad, year 2 |
| Assyrian calendar | 4220 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1123 |
| Berber calendar | 420 |
| Buddhist calendar | 14 |
| Burmese calendar | −1168 |
| Byzantine calendar | 4978–4979 |
| Chinese calendar | 己巳年 (Earth Snake) 2167 or 1960 — to — 庚午年 (Metal Horse) 2168 or 1961 |
| Coptic calendar | −814 – −813 |
| Discordian calendar | 636 |
| Ethiopian calendar | −538 – −537 |
| Hebrew calendar | 3230–3231 |
| Hindu calendars | |
| - Vikram Samvat | −474 – −473 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2570–2571 |
| Holocene calendar | 9470 |
| Iranian calendar | 1152 BP – 1151 BP |
| Islamic calendar | 1187 BH – 1186 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1803 |
| Minguo calendar | 2442 before ROC 民前2442年 |
| Nanakshahi calendar | −1998 |
| Thai solar calendar | 12–13 |
| Tibetan calendar | 阴土蛇年 (female Earth-Snake) −404 or −785 or −1557 — to — 阳金马年 (male Iron-Horse) −403 or −784 or −1556 |
The year 531 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 223 Ab urbe condita. The denomination 531 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.