| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 863 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 863 DCCCLXIII |
| Ab urbe condita | 1616 |
| Armenian calendar | 312 ԹՎ ՅԺԲ |
| Assyrian calendar | 5613 |
| Balinese saka calendar | 784–785 |
| Bengali calendar | 270 |
| Berber calendar | 1813 |
| Buddhist calendar | 1407 |
| Burmese calendar | 225 |
| Byzantine calendar | 6371–6372 |
| Chinese calendar | 壬午年 (Water Horse) 3560 or 3353 — to — 癸未年 (Water Goat) 3561 or 3354 |
| Coptic calendar | 579–580 |
| Discordian calendar | 2029 |
| Ethiopian calendar | 855–856 |
| Hebrew calendar | 4623–4624 |
| Hindu calendars | |
| - Vikram Samvat | 919–920 |
| - Shaka Samvat | 784–785 |
| - Kali Yuga | 3963–3964 |
| Holocene calendar | 10863 |
| Iranian calendar | 241–242 |
| Islamic calendar | 248–249 |
| Japanese calendar | Jōgan 5 (貞観５年) |
| Javanese calendar | 760–761 |
| Julian calendar | 863 DCCCLXIII |
| Korean calendar | 3196 |
| Minguo calendar | 1049 before ROC 民前1049年 |
| Nanakshahi calendar | −605 |
| Seleucid era | 1174/1175 AG |
| Thai solar calendar | 1405–1406 |
| Tibetan calendar | 阳水马年 (male Water-Horse) 989 or 608 or −164 — to — 阴水羊年 (female Water-Goat) 990 or 609 or −163 |
Year 863 (DCCCLXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.