When is Eid? Red on Friday, Blue on Saturday. Striped both.

Eid is one of the two Muslim festivals, it is determined by the sighting of the moon crescent After the holy month of Ramadan.

The
crescent declares the end of the month of Ramadan and begging of the
month of Shawal (the Eid occupies the first 3 days of Shawal), countries
declare Eid date upon its sighting or its sighting by neighboring
countries/countries they follow in the Islamic calendar.