Do different times of moonrise matter, and what should Muslim communities in the West do

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Check below answers in case you are looking for other related questions:
The date for ‘Eid al-Fitr and Eid al-Adha is based on sighting of the new moon
Sighting the moon not following astronomical calculations

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Related Answers:
They live in Holland – with whom should they start fasting?
If countries differ with regard to when Ramadaan begins and when the day of ‘Arafah is, with whom should I fast?
We should rely on sighting of the moon, not on calculations
The date for ‘Eid al-Fitr and Eid al-Adha is based on sighting of the new moon
Sighting the moon not following astronomical calculations

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