620 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
620 BC in various calendars
Gregorian calendar620 BC
DCXX BC
Ab urbe condita134
Ancient Egypt eraXXVI dynasty, 45
- PharaohPsamtik I, 45
Ancient Greek era40th Olympiad (victor
Assyrian calendar4131
Balinese saka calendarN/A
Bengali calendar−1212
Berber calendar331
Buddhist calendar−75
Burmese calendar−1257
Byzantine calendar4889–4890
Chinese calendar庚子年 (Metal Rat)
2078 or 1871
    — to —
辛丑年 (Metal Ox)
2079 or 1872
Coptic calendar−903 – −902
Discordian calendar547
Ethiopian calendar−627 – −626
Hebrew calendar3141–3142
Hindu calendars
 - Vikram Samvat−563 – −562
 - Shaka SamvatN/A
 - Kali Yuga2481–2482
Holocene calendar9381
Iranian calendar1241 BP – 1240 BP
Islamic calendar1279 BH – 1278 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1714
Minguo calendar2531 before ROC
民前2531年
Nanakshahi calendar−2087
Thai solar calendar−77 – −76
Tibetan calendar阳金鼠年
(male Iron-Rat)
−493 or −874 or −1646
    — to —
阴金牛年
(female Iron-Ox)
−492 or −873 or −1645

The year 620 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 134 Ab urbe condita . The denomination 620 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.