By Tom Gillespie @TomGillespie1
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Amateur astronomers all over the Southeast Asian country looked up at the night sky through telescopes in a practice known as a Rukyatul Hilal.
The sighting marked the beginning of the month-long holy tradition on June 16.
Muslims fast between dawn and sunset during Ramadan, which lasts between 29 and 30 days.
It closes when a new moon arrives to welcome in the religious holiday of Eid al-Fitr, when Muslims feast to mark the end of fasting.