663 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:	666 BC 665 BC 664 BC 663 BC 662 BC 661 BC 660 BC

663 BC in various calendars
Gregorian calendar	663 BC DCLXII BC
Ab urbe condita	91
Ancient Egypt era	XXVI dynasty, 2
- Pharaoh	Psamtik I, 2
Ancient Greek era	29th Olympiad, year 2
Assyrian calendar	4088
Balinese saka calendar	N/A
Bengali calendar	−1255
Berber calendar	288
Buddhist calendar	−118
Burmese calendar	−1300
Byzantine calendar	4846–4847
Chinese calendar	丁巳年 (Fire Snake) 2034 or 1974 — to — 戊午年 (Earth Horse) 2035 or 1975
Coptic calendar	−946 – −945
Discordian calendar	504
Ethiopian calendar	−670 – −669
Hebrew calendar	3098–3099
Hindu calendars
- Vikram Samvat	−606 – −605
- Shaka Samvat	N/A
- Kali Yuga	2438–2439
Holocene calendar	9338
Iranian calendar	1284 BP – 1283 BP
Islamic calendar	1323 BH – 1322 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1671
Minguo calendar	2574 before ROC 民前2574年
Nanakshahi calendar	−2130
Thai solar calendar	−120 – −119
Tibetan calendar	阴火蛇年 (female Fire-Snake) −536 or −917 or −1689 — to — 阳土马年 (male Earth-Horse) −535 or −916 or −1688
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