661 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
661 BC in various calendars
Gregorian calendar661 BC
DCLXI BC
Ab urbe condita93
Ancient Egypt eraXXVI dynasty, 4
- PharaohPsamtik I, 4
Ancient Greek era29th Olympiad, year 4
Assyrian calendar4090
Balinese saka calendarN/A
Bengali calendar−1253
Berber calendar290
Buddhist calendar−116
Burmese calendar−1298
Byzantine calendar4848–4849
Chinese calendar己未年 (Earth Goat)
2037 or 1830
    — to —
庚申年 (Metal Monkey)
2038 or 1831
Coptic calendar−944 – −943
Discordian calendar506
Ethiopian calendar−668 – −667
Hebrew calendar3100–3101
Hindu calendars
 - Vikram Samvat−604 – −603
 - Shaka SamvatN/A
 - Kali Yuga2440–2441
Holocene calendar9340
Iranian calendar1282 BP – 1281 BP
Islamic calendar1321 BH – 1320 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1673
Minguo calendar2572 before ROC
民前2572年
Nanakshahi calendar−2128
Thai solar calendar−118 – −117
Tibetan calendar阴土羊年
(female Earth-Goat)
−534 or −915 or −1687
    — to —
阳金猴年
(male Iron-Monkey)
−533 or −914 or −1686

The year 661 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 93 Ab urbe condita . The denomination 661 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.