| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 836 DCCCXXXVI |
| Ab urbe condita | 1589 |
| Armenian calendar | 285 ԹՎ ՄՁԵ |
| Assyrian calendar | 5586 |
| Bengali calendar | 243 |
| Berber calendar | 1786 |
| Buddhist calendar | 1380 |
| Burmese calendar | 198 |
| Byzantine calendar | 6344–6345 |
| Chinese calendar |
乙卯年 (Wood Rabbit) 3532 or 3472 — to — 丙辰年 (Fire Dragon) 3533 or 3473 |
| Coptic calendar | 552–553 |
| Discordian calendar | 2002 |
| Ethiopian calendar | 828–829 |
| Hebrew calendar | 4596–4597 |
| Hindu calendars | |
| - Vikram Samvat | 892–893 |
| - Shaka Samvat | 757–758 |
| - Kali Yuga | 3936–3937 |
| Holocene calendar | 10836 |
| Iranian calendar | 214–215 |
| Islamic calendar | 221–222 |
| Japanese calendar |
Jōwa 3 (承和3年) |
| Javanese calendar | 732–733 |
| Julian calendar | 836 DCCCXXXVI |
| Korean calendar | 3169 |
| Minguo calendar | 1076 before ROC 民前1076年 |
| Nanakshahi calendar | −632 |
| Seleucid era | 1147/1148 AG |
| Thai solar calendar | 1378–1379 |
Year 836 (DCCCXXXVI) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar.