1804
year
(Redirected from AD 1804)
1804 (MDCCCIV) was a leap year starting on Sunday in the Gregorian calendar and a leap year starting on Friday in the Julian calendar. The Gregorian calendar was 12 days ahead of the Julian calendar. The Julian calendar remained in localized use until 1923.
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 18th century – 19th century – 20th century |
| Decades: | 1770s 1780s 1790s – 1800s – 1810s 1820s 1830s |
| Years: | 1801 1802 1803 – 1804 – 1805 1806 1807 |
| Gregorian calendar | 1804 MDCCCIV |
| French Republican calendar | 12–13 |
| Ab urbe condita | 2557 |
| Armenian calendar | 1253 ԹՎ ՌՄԾԳ |
| Assyrian calendar | 6554 |
| Balinese saka calendar | 1725–1726 |
| Bengali calendar | 1211 |
| Berber calendar | 2754 |
| British Regnal year | 44 Geo. 3 – 45 Geo. 3 |
| Buddhist calendar | 2348 |
| Burmese calendar | 1166 |
| Byzantine calendar | 7312–7313 |
| Chinese calendar | 癸亥年 (Water Pig) 4500 or 4440 — to — 甲子年 (Wood Rat) 4501 or 4441 |
| Coptic calendar | 1520–1521 |
| Discordian calendar | 2970 |
| Ethiopian calendar | 1796–1797 |
| Hebrew calendar | 5564–5565 |
| Hindu calendars | |
| - Vikram Samvat | 1860–1861 |
| - Shaka Samvat | 1725–1726 |
| - Kali Yuga | 4904–4905 |
| Holocene calendar | 11804 |
| Igbo calendar | 804–805 |
| Iranian calendar | 1182–1183 |
| Islamic calendar | 1218–1219 |
| Japanese calendar | Kyōwa 3 / Bunka 1 (文化元年) |
| Javanese calendar | 1730–1731 |
| Julian calendar | Gregorian minus 12 days |
| Korean calendar | 4137 |
| Minguo calendar | 108 before ROC 民前108年 |
| Nanakshahi calendar | 336 |
| Thai solar calendar | 2346–2347 |
| Tibetan calendar | 阴水猪年 (female Water-Pig) 1930 or 1549 or 777 — to — 阳木鼠年 (male Wood-Rat) 1931 or 1550 or 778 |