| Millennium: | 4th Millennium BC |
|---|---|
| Centuries: | 33rd cent. BC – 32nd cent. BC – 31st cent. BC |
| Decades: | 3150s BC 3140s BC 3130s BC – 3120s BC – 3110s BC 3100s BC 3090s BC |
| Years: | 3125 BC 3124 BC 3123 BC – 3122 BC – 3121 BC 3120 BC 3119 BC |
| Gregorian calendar | 3122 MMMCXXII |
| Ab urbe condita | 3875 |
| Armenian calendar | 2571 ԹՎ ՍՇՀԱ |
| Assyrian calendar | 7872 |
| Bahá'í calendar | 1278–1279 |
| Bengali calendar | 2529 |
| Berber calendar | 4072 |
| British Regnal year | N/A |
| Buddhist calendar | 3666 |
| Burmese calendar | 2484 |
| Byzantine calendar | 8630–8631 |
| Chinese calendar | 辛酉年 (Metal Rooster) 5818 or 5758 — to — 壬戌年 (Water Dog) 5819 or 5759 |
| Coptic calendar | 2838–2839 |
| Discordian calendar | 4288 |
| Ethiopian calendar | 3114–3115 |
| Hebrew calendar | 6882–6883 |
| Hindu calendars | |
| - Vikram Samvat | 3178–3179 |
| - Shaka Samvat | 3043–3044 |
| - Kali Yuga | 6222–6223 |
| Holocene calendar | 13122 |
| Igbo calendar | 2122–2123 |
| Iranian calendar | 2500–2501 |
| Islamic calendar | 2577–2578 |
| Japanese calendar | Heisei 1134 (平成１１３４年) |
| Javanese calendar | 3089–3090 |
| Juche calendar | 1211 |
| Julian calendar | Gregorian minus 22 days |
| Korean calendar | 5455 |
| Minguo calendar | ROC 1211 民國1211年 |
| Nanakshahi calendar | 1654 |
| Thai solar calendar | 3665 |
| Unix time | 36353577600–36385113599 |
The year 3122 BC