857

Millennium: 1st millennium
Centuries:
Decades:
Years:
857 in various calendars
Gregorian calendar857
DCCCLVII
Ab urbe condita1610
Armenian calendar306
ԹՎ ՅԶ
Assyrian calendar5607
Balinese saka calendar778–779
Bengali calendar264
Berber calendar1807
Buddhist calendar1401
Burmese calendar219
Byzantine calendar6365–6366
Chinese calendar丙子年 (Fire Rat)
3554 or 3347
    — to —
丁丑年 (Fire Ox)
3555 or 3348
Coptic calendar573–574
Discordian calendar2023
Ethiopian calendar849–850
Hebrew calendar4617–4618
Hindu calendars
 - Vikram Samvat913–914
 - Shaka Samvat778–779
 - Kali Yuga3957–3958
Holocene calendar10857
Iranian calendar235–236
Islamic calendar242–243
Japanese calendarSaikō 4 / Ten'an 1
(天安元年)
Javanese calendar754–755
Julian calendar857
DCCCLVII
Korean calendar3190
Minguo calendar1055 before ROC
民前1055年
Nanakshahi calendar−611
Seleucid era1168/1169 AG
Thai solar calendar1399–1400
Tibetan calendar阳火鼠年
(male Fire-Rat)
983 or 602 or −170
    — to —
阴火牛年
(female Fire-Ox)
984 or 603 or −169
Yuhanna ibn Masawaiyh (ca. 777–857)

Year 857 (DCCCLVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.