| Millennium: | 3rd Millennium BC |
|---|---|
| Centuries: | 27th cent. BC – 26th cent. BC – 25th cent. BC |
| Decades: | 2580s BC 2570s BC 2560s BC – 2550s BC – 2540s BC 2530s BC 2520s BC |
| Years: | 2556 BC 2555 BC 2554 BC – 2553 BC – 2552 BC 2551 BC 2550 BC |
| Gregorian calendar | 2553 MMDLIII |
| Ab urbe condita | 3306 |
| Armenian calendar | 2002 ԹՎ ՍԲ |
| Assyrian calendar | 7303 |
| Bahá'í calendar | 709–710 |
| Bengali calendar | 1960 |
| Berber calendar | 3503 |
| British Regnal year | N/A |
| Buddhist calendar | 3097 |
| Burmese calendar | 1915 |
| Byzantine calendar | 8061–8062 |
| Chinese calendar | 壬辰年 (Water Dragon) 5249 or 5189 — to — 癸巳年 (Water Snake) 5250 or 5190 |
| Coptic calendar | 2269–2270 |
| Discordian calendar | 3719 |
| Ethiopian calendar | 2545–2546 |
| Hebrew calendar | 6313–6314 |
| Hindu calendars | |
| - Vikram Samvat | 2609–2610 |
| - Shaka Samvat | 2474–2475 |
| - Kali Yuga | 5653–5654 |
| Holocene calendar | 12553 |
| Igbo calendar | 1553–1554 |
| Iranian calendar | 1931–1932 |
| Islamic calendar | 1990–1991 |
| Japanese calendar | Heisei 565 (平成５６５年) |
| Javanese calendar | 2502–2503 |
| Juche calendar | 642 |
| Julian calendar | Gregorian minus 17 days |
| Korean calendar | 4886 |
| Minguo calendar | ROC 642 民國642年 |
| Nanakshahi calendar | 1085 |
| Thai solar calendar | 3096 |
| Unix time | 18397756800–18429292799 |
The year 2553 BC