639 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
639 BC in various calendars
Gregorian calendar639 BC
DCXXXIX BC
Ab urbe condita115
Ancient Egypt eraXXVI dynasty, 26
- PharaohPsamtik I, 26
Ancient Greek era35th Olympiad, year 2
Assyrian calendar4112
Balinese saka calendarN/A
Bengali calendar−1231
Berber calendar312
Buddhist calendar−94
Burmese calendar−1276
Byzantine calendar4870–4871
Chinese calendar辛巳年 (Metal Snake)
2059 or 1852
    — to —
壬午年 (Water Horse)
2060 or 1853
Coptic calendar−922 – −921
Discordian calendar528
Ethiopian calendar−646 – −645
Hebrew calendar3122–3123
Hindu calendars
 - Vikram Samvat−582 – −581
 - Shaka SamvatN/A
 - Kali Yuga2462–2463
Holocene calendar9362
Iranian calendar1260 BP – 1259 BP
Islamic calendar1299 BH – 1298 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1695
Minguo calendar2550 before ROC
民前2550年
Nanakshahi calendar−2106
Thai solar calendar−96 – −95
Tibetan calendar阴金蛇年
(female Iron-Snake)
−512 or −893 or −1665
    — to —
阳水马年
(male Water-Horse)
−511 or −892 or −1664

The year 639 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 115 Ab urbe condita . The denomination 639 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.