661 BC

Millennium:	1st millennium BC
Centuries:	8th century BC 7th century BC 6th century BC
Decades:	680s BC 670s BC 660s BC 650s BC 640s BC
Years:	664 BC 663 BC 662 BC 661 BC 660 BC 659 BC 658 BC

661 BC in various calendars
Gregorian calendar	661 BC DCLX BC
Ab urbe condita	93
Ancient Egypt era	XXVI dynasty, 4
- Pharaoh	Psamtik I, 4
Ancient Greek era	29th Olympiad, year 4
Assyrian calendar	4090
Balinese saka calendar	N/A
Bengali calendar	−1253
Berber calendar	290
Buddhist calendar	−116
Burmese calendar	−1298
Byzantine calendar	4848–4849
Chinese calendar	己未年 (Earth Goat) 2036 or 1976 — to — 庚申年 (Metal Monkey) 2037 or 1977
Coptic calendar	−944 – −943
Discordian calendar	506
Ethiopian calendar	−668 – −667
Hebrew calendar	3100–3101
Hindu calendars
- Vikram Samvat	−604 – −603
- Shaka Samvat	N/A
- Kali Yuga	2440–2441
Holocene calendar	9340
Iranian calendar	1282 BP – 1281 BP
Islamic calendar	1321 BH – 1320 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1673
Minguo calendar	2572 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
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