| Millennium: | 3rd Millennium BC |
|---|---|
| Centuries: | 24th cent. BC – 23rd cent. BC – 22nd cent. BC |
| Decades: | 2290s BC 2280s BC 2270s BC – 2260s BC – 2250s BC 2240s BC 2230s BC |
| Years: | 2266 BC 2265 BC 2264 BC – 2263 BC – 2262 BC 2261 BC 2260 BC |
| Gregorian calendar | 2263 MMCCLXIII |
| Ab urbe condita | 3016 |
| Armenian calendar | 1712 ԹՎ ՌՉԺԲ |
| Assyrian calendar | 7013 |
| Bahá'í calendar | 419–420 |
| Bengali calendar | 1670 |
| Berber calendar | 3213 |
| British Regnal year | N/A |
| Buddhist calendar | 2807 |
| Burmese calendar | 1625 |
| Byzantine calendar | 7771–7772 |
| Chinese calendar | 壬寅年 (Water Tiger) 4959 or 4899 — to — 癸卯年 (Water Rabbit) 4960 or 4900 |
| Coptic calendar | 1979–1980 |
| Discordian calendar | 3429 |
| Ethiopian calendar | 2255–2256 |
| Hebrew calendar | 6023–6024 |
| Hindu calendars | |
| - Vikram Samvat | 2319–2320 |
| - Shaka Samvat | 2184–2185 |
| - Kali Yuga | 5363–5364 |
| Holocene calendar | 12263 |
| Igbo calendar | 1263–1264 |
| Iranian calendar | 1641–1642 |
| Islamic calendar | 1691–1692 |
| Japanese calendar | Heisei 275 (平成２７５年) |
| Javanese calendar | 2203–2204 |
| Juche calendar | 352 |
| Julian calendar | Gregorian minus 15 days |
| Korean calendar | 4596 |
| Minguo calendar | ROC 352 民國352年 |
| Nanakshahi calendar | 795 |
| Thai solar calendar | 2806 |
| Unix time | 9246182400–9277718399 |
The year 2263 BC