The date for ‘Eid al-Fitr and Eid al-Adha is based on sighting of the new moon

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Check below answers in case you are looking for other related questions:
If countries differ with regard to when Ramadaan begins and when the day of ‘Arafah is, with whom should I fast?
Do different times of moonrise matter, and what should Muslim communities in the West do

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Related Answers:
Ruling on calling out “Salaat al-‘Eid athaabakum Allaah (Eid prayer, may Allaah reward you)”
Description of Eid prayer
Is it permissible for a person who goes to the Eid prayers to pray two Rak’ahs for Tahiyyat al-Masjid in the prayer-place?
If countries differ with regard to when Ramadaan begins and when the day of ‘Arafah is, with whom should I fast?
Do different times of moonrise matter, and what should Muslim communities in the West do

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