| Millennium: | 3rd Millennium BC |
|---|---|
| Centuries: | 24th cent. BC – 23rd cent. BC – 22nd cent. BC |
| Decades: | 2320s BC 2310s BC 2300s BC – 2290s BC – 2280s BC 2270s BC 2260s BC |
| Years: | 2294 BC 2293 BC 2292 BC – 2291 BC – 2290 BC 2289 BC 2288 BC |
| Gregorian calendar | 2291 MMCCXCI |
| Ab urbe condita | 3044 |
| Armenian calendar | 1740 ԹՎ ՌՉԽ |
| Assyrian calendar | 7041 |
| Bahá'í calendar | 447–448 |
| Bengali calendar | 1698 |
| Berber calendar | 3241 |
| British Regnal year | N/A |
| Buddhist calendar | 2835 |
| Burmese calendar | 1653 |
| Byzantine calendar | 7799–7800 |
| Chinese calendar | 庚午年 (Metal Horse) 4987 or 4927 — to — 辛未年 (Metal Goat) 4988 or 4928 |
| Coptic calendar | 2007–2008 |
| Discordian calendar | 3457 |
| Ethiopian calendar | 2283–2284 |
| Hebrew calendar | 6051–6052 |
| Hindu calendars | |
| - Vikram Samvat | 2347–2348 |
| - Shaka Samvat | 2212–2213 |
| - Kali Yuga | 5391–5392 |
| Holocene calendar | 12291 |
| Igbo calendar | 1291–1292 |
| Iranian calendar | 1669–1670 |
| Islamic calendar | 1720–1721 |
| Japanese calendar | Heisei 303 (平成３０３年) |
| Javanese calendar | 2232–2233 |
| Juche calendar | 380 |
| Julian calendar | Gregorian minus 15 days |
| Korean calendar | 4624 |
| Minguo calendar | ROC 380 民國380年 |
| Nanakshahi calendar | 823 |
| Thai solar calendar | 2834 |
| Unix time | 10129795200–10161331199 |
The year 2291 BC