Year 857 (DCCCLVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.
857 in various calendars
857
DCCCLVII
1610
306
ԹՎ ՅԶ
5607
778–779
264
1807
1401
219
6365–6366
丙子年 (Fire Rat)
3554 or 3347
— to —
丁丑年 (Fire Ox)
3555 or 3348
573–574
2023
849–850
4617–4618
913–914
778–779
3957–3958
10857
235–236
242–243
754–755
857
DCCCLVII
3190
1055 before ROC
民前1055年
−611
1168/1169 AG
1399–1400
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