657 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
657 BC in various calendars
Gregorian calendar657 BC
DCLVII BC
Ab urbe condita97
Ancient Egypt eraXXVI dynasty, 8
- PharaohPsamtik I, 8
Ancient Greek era30th Olympiad, year 4
Assyrian calendar4094
Balinese saka calendarN/A
Bengali calendar−1249
Berber calendar294
Buddhist calendar−112
Burmese calendar−1294
Byzantine calendar4852–4853
Chinese calendar癸亥年 (Water Pig)
2041 or 1834
    — to —
甲子年 (Wood Rat)
2042 or 1835
Coptic calendar−940 – −939
Discordian calendar510
Ethiopian calendar−664 – −663
Hebrew calendar3104–3105
Hindu calendars
 - Vikram Samvat−600 – −599
 - Shaka SamvatN/A
 - Kali Yuga2444–2445
Holocene calendar9344
Iranian calendar1278 BP – 1277 BP
Islamic calendar1317 BH – 1316 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1677
Minguo calendar2568 before ROC
民前2568年
Nanakshahi calendar−2124
Thai solar calendar−114 – −113
Tibetan calendar阴水猪年
(female Water-Pig)
−530 or −911 or −1683
    — to —
阳木鼠年
(male Wood-Rat)
−529 or −910 or −1682

The year 657 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 97 Ab urbe condita . The denomination 657 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.