Note that with regards to the Muslim calendar, a holiday is commenced on the sunset of the preceding day; thus, Ashura Eve 2029 will be observed on the sunset of Wednesday 23rd May, 2029.

Ashura Eve always falls on the same day according to the Islamic calendar; for it being a lunar calendar. Nonetheless, the day differs on the Gregorian calendar as it is a solar calendar; causing roughly an eleven day difference each year.

The dates of Ashura Eve are usually determined by either an actual sighting of the moon with the naked eyes, or through astronomical calculations. Note that dates provided here are based on the dates adopted by the Fiqh Council of North America.

The next occurrence of Ashura Eve is marked in red