| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 686 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 686 DCLXXXVI |
| Ab urbe condita | 1439 |
| Armenian calendar | 135 ԹՎ ՃԼԵ |
| Assyrian calendar | 5436 |
| Balinese saka calendar | 607–608 |
| Bengali calendar | 93 |
| Berber calendar | 1636 |
| Buddhist calendar | 1230 |
| Burmese calendar | 48 |
| Byzantine calendar | 6194–6195 |
| Chinese calendar | 乙酉年 (Wood Rooster) 3383 or 3176 — to — 丙戌年 (Fire Dog) 3384 or 3177 |
| Coptic calendar | 402–403 |
| Discordian calendar | 1852 |
| Ethiopian calendar | 678–679 |
| Hebrew calendar | 4446–4447 |
| Hindu calendars | |
| - Vikram Samvat | 742–743 |
| - Shaka Samvat | 607–608 |
| - Kali Yuga | 3786–3787 |
| Holocene calendar | 10686 |
| Iranian calendar | 64–65 |
| Islamic calendar | 66–67 |
| Japanese calendar | Hakuchi 37 / Shuchō 1 (朱鳥元年) |
| Javanese calendar | 578–579 |
| Julian calendar | 686 DCLXXXVI |
| Korean calendar | 3019 |
| Minguo calendar | 1226 before ROC 民前1226年 |
| Nanakshahi calendar | −782 |
| Seleucid era | 997/998 AG |
| Thai solar calendar | 1228–1229 |
| Tibetan calendar | 阴木鸡年 (female Wood-Rooster) 812 or 431 or −341 — to — 阳火狗年 (male Fire-Dog) 813 or 432 or −340 |
Year 686 (DCLXXXVI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 686 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.