| Millennium: | 3rd Millennium BC |
|---|---|
| Centuries: | 25th cent. BC – 24th cent. BC – 23rd cent. BC |
| Decades: | 2330s BC 2320s BC 2310s BC – 2300s BC – 2290s BC 2280s BC 2270s BC |
| Years: | 2307 BC 2306 BC 2305 BC – 2304 BC – 2303 BC 2302 BC 2301 BC |
| Gregorian calendar | 2304 MMCCCIV |
| Ab urbe condita | 3057 |
| Armenian calendar | 1753 ԹՎ ՌՉԾԳ |
| Assyrian calendar | 7054 |
| Bahá'í calendar | 460–461 |
| Bengali calendar | 1711 |
| Berber calendar | 3254 |
| British Regnal year | N/A |
| Buddhist calendar | 2848 |
| Burmese calendar | 1666 |
| Byzantine calendar | 7812–7813 |
| Chinese calendar | 癸未年 (Water Goat) 5000 or 4940 — to — 甲申年 (Wood Monkey) 5001 or 4941 |
| Coptic calendar | 2020–2021 |
| Discordian calendar | 3470 |
| Ethiopian calendar | 2296–2297 |
| Hebrew calendar | 6064–6065 |
| Hindu calendars | |
| - Vikram Samvat | 2360–2361 |
| - Shaka Samvat | 2225–2226 |
| - Kali Yuga | 5404–5405 |
| Holocene calendar | 12304 |
| Igbo calendar | 1304–1305 |
| Iranian calendar | 1682–1683 |
| Islamic calendar | 1734–1735 |
| Japanese calendar | Heisei 316 (平成３１６年) |
| Javanese calendar | 2245–2246 |
| Juche calendar | 393 |
| Julian calendar | Gregorian minus 16 days |
| Korean calendar | 4637 |
| Minguo calendar | ROC 393 民國393年 |
| Nanakshahi calendar | 836 |
| Thai solar calendar | 2847 |
| Unix time | 10539936000–10571558399 |
The year 2304 BC