20 AH

From wikishia
Centuries: 1st century BH1st century2nd century
Years: 17 18 192021 22 23

Year 20 AH[1] started on Thursday, December 21, 640 CE, and ended on Sunday, December 9, 641 CE[2].

Notes

  1. Latin: Anno Hegirae, "in the year of the Hijra (Lunar Hijri calendar)
  2. WikiShia:Manual of Style/Dates