Every Hijri month · the bright nights

Ayyam al-Bidh (white days)

أيام البيض

The 13th, 14th, and 15th of each Hijri month are known as the white days (Ayyam al-Bidh) because the moon is full and the nights are bright. The Prophet ﷺ advised fasting three days of each month.

Next occurrence

this month

The ruling

Three days of every month

The 13th, 14th, and 15th of each Hijri month are known as the white days (Ayyam al-Bidh) because the moon is full and the nights are bright. The Prophet ﷺ advised fasting three days of each month.

The reward

As if fasting the whole year

Fasting three days of each month is equivalent to fasting the entire year.

Track this in Ayyam

A quiet reminder, the evening before.

Ayyam computes suhoor and iftar for your city and reminds you when a recommended day approaches.

Download for iPhone
Ayyam app showing the Hijri calendar with fasting days highlighted