664 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
664 BC in various calendars
Gregorian calendar664 BC
DCLXIV BC
Ab urbe condita90
Ancient Egypt eraXXVI dynasty, 1
- PharaohPsamtik I, 1
Ancient Greek era29th Olympiad (victor
Assyrian calendar4087
Balinese saka calendarN/A
Bengali calendar−1256
Berber calendar287
Buddhist calendar−119
Burmese calendar−1301
Byzantine calendar4845–4846
Chinese calendar丙辰年 (Fire Dragon)
2034 or 1827
    — to —
丁巳年 (Fire Snake)
2035 or 1828
Coptic calendar−947 – −946
Discordian calendar503
Ethiopian calendar−671 – −670
Hebrew calendar3097–3098
Hindu calendars
 - Vikram Samvat−607 – −606
 - Shaka SamvatN/A
 - Kali Yuga2437–2438
Holocene calendar9337
Iranian calendar1285 BP – 1284 BP
Islamic calendar1324 BH – 1323 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1670
Minguo calendar2575 before ROC
民前2575年
Nanakshahi calendar−2131
Thai solar calendar−121 – −120
Tibetan calendar阳火龙年
(male Fire-Dragon)
−537 or −918 or −1690
    — to —
阴火蛇年
(female Fire-Snake)
−536 or −917 or −1689

The year 664 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 90 Ab urbe condita . The denomination 664 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.