The year 603 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 151 Ab urbe condita. The denomination 601 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.

Millennium: 1st millennium BC
603 BC in various calendars
Gregorian calendar603 BC
Ab urbe condita151
Ancient Egypt eraXXVI dynasty, 62
- PharaohNecho II, 8
Ancient Greek era44th Olympiad, year 2
Assyrian calendar4148
Balinese saka calendarN/A
Bengali calendar−1195
Berber calendar348
Buddhist calendar−58
Burmese calendar−1240
Byzantine calendar4906–4907
Chinese calendar丁巳年 (Fire Snake)
2094 or 2034
    — to —
戊午年 (Earth Horse)
2095 or 2035
Coptic calendar−886 – −885
Discordian calendar564
Ethiopian calendar−610 – −609
Hebrew calendar3158–3159
Hindu calendars
 - Vikram Samvat−546 – −545
 - Shaka SamvatN/A
 - Kali Yuga2498–2499
Holocene calendar9398
Iranian calendar1224 BP – 1223 BP
Islamic calendar1262 BH – 1261 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1731
Minguo calendar2514 before ROC
Nanakshahi calendar−2070
Thai solar calendar−60 – −59
Tibetan calendar阴火蛇年
(female Fire-Snake)
−476 or −857 or −1629
    — to —
(male Earth-Horse)
−475 or −856 or −1628


Science and technologyEdit




  1. ^ a b Date specification in the Gregorian calendar; In the Julian calendar system, 7 days must be added to the Gregorian date. Dating basis are the NASA data considering the T-delta. For Babylonia, the time zone surcharge of 3 hours must be taken into account in addition to Universal Time (UT)