634 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
634 BC in various calendars
Gregorian calendar634 BC
DCXXXIV BC
Ab urbe condita120
Ancient Egypt eraXXVI dynasty, 31
- PharaohPsamtik I, 31
Ancient Greek era36th Olympiad, year 3
Assyrian calendar4117
Balinese saka calendarN/A
Bengali calendar−1226
Berber calendar317
Buddhist calendar−89
Burmese calendar−1271
Byzantine calendar4875–4876
Chinese calendar丙戌年 (Fire Dog)
2064 or 1857
    — to —
丁亥年 (Fire Pig)
2065 or 1858
Coptic calendar−917 – −916
Discordian calendar533
Ethiopian calendar−641 – −640
Hebrew calendar3127–3128
Hindu calendars
 - Vikram Samvat−577 – −576
 - Shaka SamvatN/A
 - Kali Yuga2467–2468
Holocene calendar9367
Iranian calendar1255 BP – 1254 BP
Islamic calendar1294 BH – 1293 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1700
Minguo calendar2545 before ROC
民前2545年
Nanakshahi calendar−2101
Thai solar calendar−91 – −90
Tibetan calendar阳火狗年
(male Fire-Dog)
−507 or −888 or −1660
    — to —
阴火猪年
(female Fire-Pig)
−506 or −887 or −1659

The year 634 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 120 Ab urbe condita . The denomination 634 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.