815
| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 815 DCCCXV |
| Ab urbe condita | 1568 |
| Armenian calendar | 264 ԹՎ ՄԿԴ |
| Assyrian calendar | 5565 |
| Bengali calendar | 222 |
| Berber calendar | 1765 |
| Buddhist calendar | 1359 |
| Burmese calendar | 177 |
| Byzantine calendar | 6323–6324 |
| Chinese calendar |
甲午年 (Wood Horse) 3511 or 3451 — to — 乙未年 (Wood Goat) 3512 or 3452 |
| Coptic calendar | 531–532 |
| Discordian calendar | 1981 |
| Ethiopian calendar | 807–808 |
| Hebrew calendar | 4575–4576 |
| Hindu calendars | |
| - Vikram Samvat | 871–872 |
| - Shaka Samvat | 736–737 |
| - Kali Yuga | 3915–3916 |
| Holocene calendar | 10815 |
| Iranian calendar | 193–194 |
| Islamic calendar | 199–200 |
| Japanese calendar |
Kōnin 6 (弘仁６年) |
| Javanese calendar | 711–712 |
| Julian calendar | 815 DCCCXV |
| Korean calendar | 3148 |
| Minguo calendar | 1097 before ROC 民前1097年 |
| Nanakshahi calendar | −653 |
| Seleucid era | 1126/1127 AG |
| Thai solar calendar | 1357–1358 |
Year 815 (DCCCXV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.
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