Back 1808 Abkhazian 1808 Afrikaans 1808 ALS 1808 እ.ኤ.አ. Amharic 1808 AN 1808 Arabic 1808 ARZ 1808 AST 1808 AVK 1808 Azerbaijani
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 18th century – 19th century – 20th century |
| Decades: | 1770s 1780s 1790s – 1800s – 1810s 1820s 1830s |
| Years: | 1805 1806 1807 – 1808 – 1809 1810 1811 |
| Gregorian calendar | 1808 MDCCCVIII |
| Ab urbe condita | 2561 |
| Armenian calendar | 1257 ԹՎ ՌՄԾԷ |
| Assyrian calendar | 6558 |
| Balinese saka calendar | 1729–1730 |
| Bengali calendar | 1215 |
| Berber calendar | 2758 |
| British Regnal year | 48 Geo. 3 – 49 Geo. 3 |
| Buddhist calendar | 2352 |
| Burmese calendar | 1170 |
| Byzantine calendar | 7316–7317 |
| Chinese calendar | 丁卯年 (Fire Rabbit) 4504 or 4444 — to — 戊辰年 (Earth Dragon) 4505 or 4445 |
| Coptic calendar | 1524–1525 |
| Discordian calendar | 2974 |
| Ethiopian calendar | 1800–1801 |
| Hebrew calendar | 5568–5569 |
| Hindu calendars | |
| - Vikram Samvat | 1864–1865 |
| - Shaka Samvat | 1729–1730 |
| - Kali Yuga | 4908–4909 |
| Holocene calendar | 11808 |
| Igbo calendar | 808–809 |
| Iranian calendar | 1186–1187 |
| Islamic calendar | 1222–1223 |
| Japanese calendar | Bunka 5 (文化５年) |
| Javanese calendar | 1734–1735 |
| Julian calendar | Gregorian minus 12 days |
| Korean calendar | 4141 |
| Minguo calendar | 104 before ROC 民前104年 |
| Nanakshahi calendar | 340 |
| Thai solar calendar | 2350–2351 |
| Tibetan calendar | 阴火兔年 (female Fire-Rabbit) 1934 or 1553 or 781 — to — 阳土龙年 (male Earth-Dragon) 1935 or 1554 or 782 |
1808 (MDCCCVIII) was a leap year starting on Friday of the Gregorian calendar and a leap year starting on Wednesday of the Julian calendar, the 1808th year of the Common Era (CE) and Anno Domini (AD) designations, the 808th year of the 2nd millennium, the 8th year of the 19th century, and the 9th year of the 1800s decade. As of the start of 1808, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.