603 BC

Millennium:	1st millennium BC
Centuries:	8th century BC 7th century BC 6th century BC
Decades:	620s BC 610s BC 600s BC 590s BC 580s BC
Years:	606 BC 605 BC 604 BC 603 BC 602 BC 601 BC 600 BC

603 BC in various calendars

Gregorian calendar	603 BC DCIII BC
Ab urbe condita	151
Ancient Egypt era	XXVI dynasty, 62
- Pharaoh	Necho II, 8
Ancient Greek era	44th Olympiad, year 2
Assyrian calendar	4148
Balinese saka calendar	N/A
Bengali calendar	−1195
Berber calendar	348
Buddhist calendar	−58
Burmese calendar	−1240
Byzantine calendar	4906–4907
Chinese calendar	丁巳年 (Fire Snake) 2095 or 1888     — to — 戊午年 (Earth Horse) 2096 or 1889
Coptic calendar	−886 – −885
Discordian calendar	564
Ethiopian calendar	−610 – −609
Hebrew calendar	3158–3159
Hindu calendars
- Vikram Samvat	−546 – −545
- Shaka Samvat	N/A
- Kali Yuga	2498–2499
Holocene calendar	9398
Iranian calendar	1224 BP – 1223 BP
Islamic calendar	1262 BH – 1261 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1731
Minguo calendar	2514 before ROC 民前2514年
Nanakshahi calendar	−2070
Thai solar calendar	−60 – −59
Tibetan calendar	阴火蛇年 (female Fire-Snake) −476 or −857 or −1629     — to — 阳土马年 (male Earth-Horse) −475 or −856 or −1628

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.

Events

Science and technology

• In the second year of his reign, Nebuchadnezzar II proclaimed the intercalary month Ululu II, which begins on September 6.
• In the Babylonian calendar, the Babylonian New Year of Nisannu 1 falls on January 14-15. March; the full moon in Nisannu on the 27th-28th March and the 1st Tašritu on the 6th-7th October.