"According to our calculations and moon-sighting reports, we have determined the first day of Dhu al-Hijjah to fall on Monday, May 18, 2026, and that Eid al-Adha will be celebrated on Wednesday, May 27, 2026," Minister Nasaruddin Umar announced here on Sunday.
The decision was made following observations at 88 different locations across Indonesia, where observers found that the crescent moon’s position met the criteria agreed upon by Brunei, Indonesia, Malaysia, and Singapore under the MABIMS framework.
The figures fell within the MABIMS visibility criteria, which require a minimum crescent height of 3° and an elongation—the angular distance between the sun and the moon—of at least 6.4° to mark the start of a new Hijri month.
Umar stated that the decision was reached following deliberations among religious scholars, Muslim organization leaders, and astronomers after reviewing the moon-sighting reports.
The Muslim organization Muhammadiyah, which utilizes its own astronomical calculations, agreed with the government that this year’s Eid al-Adha will fall on May 27. The organization uses its own lunar parameters based on the unified global Hijri calendar.
Muslims in Malaysia will also celebrate Eid al-Adha on May 27, as announced by the Acting Assistant Secretary of the Conference of Rulers, Muhammad Affendi Jalaludin, during a televised address.
Translator: Asep Firmansyah, Nabil Ihsan
Editor: Aditya Eko Sigit Wicaksono
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