| Millennium: | 3rd Millennium BC |
|---|---|
| Centuries: | 28th cent. BC – 27th cent. BC – 26th cent. BC |
| Decades: | 2680s BC 2670s BC 2660s BC – 2650s BC – 2640s BC 2630s BC 2620s BC |
| Years: | 2657 BC 2656 BC 2655 BC – 2654 BC – 2653 BC 2652 BC 2651 BC |
| Gregorian calendar | 2654 MMDCLIV |
| Ab urbe condita | 3407 |
| Armenian calendar | 2103 ԹՎ ՍՃԳ |
| Assyrian calendar | 7404 |
| Bahá'í calendar | 810–811 |
| Bengali calendar | 2061 |
| Berber calendar | 3604 |
| British Regnal year | N/A |
| Buddhist calendar | 3198 |
| Burmese calendar | 2016 |
| Byzantine calendar | 8162–8163 |
| Chinese calendar | 癸酉年 (Water Rooster) 5350 or 5290 — to — 甲戌年 (Wood Dog) 5351 or 5291 |
| Coptic calendar | 2370–2371 |
| Discordian calendar | 3820 |
| Ethiopian calendar | 2646–2647 |
| Hebrew calendar | 6414–6415 |
| Hindu calendars | |
| - Vikram Samvat | 2710–2711 |
| - Shaka Samvat | 2575–2576 |
| - Kali Yuga | 5754–5755 |
| Holocene calendar | 12654 |
| Igbo calendar | 1654–1655 |
| Iranian calendar | 2032–2033 |
| Islamic calendar | 2094–2095 |
| Japanese calendar | Heisei 666 (平成６６６年) |
| Javanese calendar | 2606–2607 |
| Juche calendar | 743 |
| Julian calendar | Gregorian minus 18 days |
| Korean calendar | 4987 |
| Minguo calendar | ROC 743 民國743年 |
| Nanakshahi calendar | 1186 |
| Thai solar calendar | 3197 |
| Unix time | 21584966400–21616502399 |
The year 2654 BC