686 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
686 BC in various calendars
Gregorian calendar686 BC
DCLXXXVI BC
Ab urbe condita68
Ancient Egypt eraXXV dynasty, 67
- PharaohTaharqa, 5
Ancient Greek era23rd Olympiad, year 3
Assyrian calendar4065
Balinese saka calendarN/A
Bengali calendar−1278
Berber calendar265
Buddhist calendar−141
Burmese calendar−1323
Byzantine calendar4823–4824
Chinese calendar甲午年 (Wood Horse)
2012 or 1805
    — to —
乙未年 (Wood Goat)
2013 or 1806
Coptic calendar−969 – −968
Discordian calendar481
Ethiopian calendar−693 – −692
Hebrew calendar3075–3076
Hindu calendars
 - Vikram Samvat−629 – −628
 - Shaka SamvatN/A
 - Kali Yuga2415–2416
Holocene calendar9315
Iranian calendar1307 BP – 1306 BP
Islamic calendar1347 BH – 1346 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1648
Minguo calendar2597 before ROC
民前2597年
Nanakshahi calendar−2153
Thai solar calendar−143 – −142
Tibetan calendar阳木马年
(male Wood-Horse)
−559 or −940 or −1712
    — to —
阴木羊年
(female Wood-Goat)
−558 or −939 or −1711

The year 686 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 68 Ab urbe condita . The denomination 686 BC 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.