| Millennium: | 4th Millennium BC |
|---|---|
| Centuries: | 40th cent. BC – 39th cent. BC – 38th cent. BC |
| Decades: | 3850s BC 3840s BC 3830s BC – 3820s BC – 3810s BC 3800s BC 3790s BC |
| Years: | 3827 BC 3826 BC 3825 BC – 3824 BC – 3823 BC 3822 BC 3821 BC |
| Gregorian calendar | 3824 MMMDCCCXXIV |
| Ab urbe condita | 4577 |
| Armenian calendar | 3273 ԹՎ ՎՄՀԳ |
| Assyrian calendar | 8574 |
| Bahá'í calendar | 1980–1981 |
| Bengali calendar | 3231 |
| Berber calendar | 4774 |
| British Regnal year | N/A |
| Buddhist calendar | 4368 |
| Burmese calendar | 3186 |
| Byzantine calendar | 9332–9333 |
| Chinese calendar | 癸卯年 (Water Rabbit) 6520 or 6460 — to — 甲辰年 (Wood Dragon) 6521 or 6461 |
| Coptic calendar | 3540–3541 |
| Discordian calendar | 4990 |
| Ethiopian calendar | 3816–3817 |
| Hebrew calendar | 7584–7585 |
| Hindu calendars | |
| - Vikram Samvat | 3880–3881 |
| - Shaka Samvat | 3745–3746 |
| - Kali Yuga | 6924–6925 |
| Holocene calendar | 13824 |
| Igbo calendar | 2824–2825 |
| Iranian calendar | 3202–3203 |
| Islamic calendar | 3300–3301 |
| Japanese calendar | Heisei 1836 (平成１８３６年) |
| Javanese calendar | 3812–3813 |
| Juche calendar | 1913 |
| Julian calendar | Gregorian minus 27 days |
| Korean calendar | 6157 |
| Minguo calendar | ROC 1913 民國1913年 |
| Nanakshahi calendar | 2356 |
| Thai solar calendar | 4367 |
| Unix time | 58506537600–58538159999 |
The year 3824 BC