525 (DXXV) was a common year starting on Wednesday of the Julian calendar, the 525th year of the Common Era (CE) and Anno Domini (AD) designations, the 525th year of the 1st millennium, the 25th year of the 6th century, and the 6th year of the 520s decade. As of the start of 525, the Gregorian calendar was 2 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium: 1st millennium
Centuries: 5th century6th century7th century
Decades: 490s  500s  510s  – 520s –  530s  540s  550s
Years: 522 523 524525526 527 528
525 in other calendars
Gregorian calendar525
DXXV
Ab urbe condita1278
Assyrian calendar5275
Balinese saka calendar446–447
Bengali calendar−68
Berber calendar1475
Buddhist calendar1069
Burmese calendar−113
Byzantine calendar6033–6034
Chinese calendar甲辰(Wood Dragon)
3221 or 3161
    — to —
乙巳年 (Wood Snake)
3222 or 3162
Coptic calendar241–242
Discordian calendar1691
Ethiopian calendar517–518
Hebrew calendar4285–4286
Hindu calendars
 - Vikram Samvat581–582
 - Shaka Samvat446–447
 - Kali Yuga3625–3626
Holocene calendar10525
Iranian calendar97 BP – 96 BP
Islamic calendar100 BH – 99 BH
Javanese calendar412–413
Julian calendar525
DXXV
Korean calendar2858
Minguo calendar1387 before ROC
民前1387年
Nanakshahi calendar−943
Seleucid era836/837 AG
Thai solar calendar1067–1068
Tibetan calendar阳木龙年
(male Wood-Dragon)
651 or 270 or −502
    — to —
阴木蛇年
(female Wood-Snake)
652 or 271 or −501

Events change