670 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
670 BC in various calendars
Gregorian calendar670 BC
DCLXX BC
Ab urbe condita84
Ancient Egypt eraXXV dynasty, 83
- PharaohTaharqa, 21
Ancient Greek era27th Olympiad, year 3
Assyrian calendar4081
Balinese saka calendarN/A
Bengali calendar−1262
Berber calendar281
Buddhist calendar−125
Burmese calendar−1307
Byzantine calendar4839–4840
Chinese calendar庚戌年 (Metal Dog)
2028 or 1821
    — to —
辛亥年 (Metal Pig)
2029 or 1822
Coptic calendar−953 – −952
Discordian calendar497
Ethiopian calendar−677 – −676
Hebrew calendar3091–3092
Hindu calendars
 - Vikram Samvat−613 – −612
 - Shaka SamvatN/A
 - Kali Yuga2431–2432
Holocene calendar9331
Iranian calendar1291 BP – 1290 BP
Islamic calendar1331 BH – 1330 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1664
Minguo calendar2581 before ROC
民前2581年
Nanakshahi calendar−2137
Thai solar calendar−127 – −126
Tibetan calendar阳金狗年
(male Iron-Dog)
−543 or −924 or −1696
    — to —
阴金猪年
(female Iron-Pig)
−542 or −923 or −1695

The year 670 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 84 Ab urbe condita . The denomination 670 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.