525 BC

525 BC in various calendars
Gregorian calendar	525 BC; DXXV BC
Ab urbe condita	229
Ancient Egypt era	XXVII dynasty, 1
- Pharaoh	Cambyses II of Persia, 1
Ancient Greek era	63rd Olympiad, year 4
Assyrian calendar	4226
Balinese saka calendar	N/A
Bengali calendar	−1117
Berber calendar	426
Buddhist calendar	20
Burmese calendar	−1162
Byzantine calendar	4984–4985
Chinese calendar	乙亥年 (Wood Pig); 2173 or 1966; — to —; 丙子年 (Fire Rat); 2174 or 1967
Coptic calendar	−808 – −807
Discordian calendar	642
Ethiopian calendar	−532 – −531
Hebrew calendar	3236–3237
Hindu calendars
- Vikram Samvat	−468 – −467
- Shaka Samvat	N/A
- Kali Yuga	2576–2577
Holocene calendar	9476
Iranian calendar	1146 BP – 1145 BP
Islamic calendar	1181 BH – 1180 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1809
Minguo calendar	2436 before ROC; 民前2436年
Nanakshahi calendar	−1992
Thai solar calendar	18–19
Tibetan calendar	阴木猪年; (female Wood-Pig); −398 or −779 or −1551; — to —; 阳火鼠年; (male Fire-Rat); −397 or −778 or −1550

Millennium:	1st millennium BC
Centuries:	7th century BC; 6th century BC ; 5th century BC;
Decades:	540s BC; 530s BC; 520s BC ; 510s BC; 500s BC;
Years:	528 BC; 527 BC; 526 BC; 525 BC ; 524 BC; 523 BC; 522 BC;

The year 525 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 229 Ab urbe condita. The denomination 525 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.

Gregorian calendar	525 BC DXXV BC
Ab urbe condita	229
Ancient Egypt era	XXVII dynasty, 1
- Pharaoh	Cambyses II of Persia, 1
Ancient Greek era	63rd Olympiad, year 4
Assyrian calendar	4226
Balinese saka calendar	N/A
Bengali calendar	−1117
Berber calendar	426
Buddhist calendar	20
Burmese calendar	−1162
Byzantine calendar	4984–4985
Chinese calendar	乙亥年 (Wood Pig) 2173 or 1966 — to — 丙子年 (Fire Rat) 2174 or 1967
Coptic calendar	−808 – −807
Discordian calendar	642
Ethiopian calendar	−532 – −531
Hebrew calendar	3236–3237
Hindu calendars
- Vikram Samvat	−468 – −467
- Shaka Samvat	N/A
- Kali Yuga	2576–2577
Holocene calendar	9476
Iranian calendar	1146 BP – 1145 BP
Islamic calendar	1181 BH – 1180 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1809
Minguo calendar	2436 before ROC 民前2436年
Nanakshahi calendar	−1992
Thai solar calendar	18–19
Tibetan calendar	阴木猪年 (female Wood-Pig) −398 or −779 or −1551 — to — 阳火鼠年 (male Fire-Rat) −397 or −778 or −1550