The Apia Moon Sighting Session
Samoan Muslim leaders convene at the Apia Mosque at sunset on the 29th of each lunar month. Observations from coastal Upolu and Savai'i are coordinated with regional councils in New Zealand and Fiji.
International Date Line Astronomical Coordinates
Samoa's geographic coordinates (13.8°S, 171.7°W) at UTC+13 mean civil calendar dates advance early, while religious month starts follow astronomical conjunction checks.
Day Transition Dynamics
The civil calendar updates at 12:00 AM midnight Samoa Standard Time (WST, Pacific/Apia, UTC+13), while religious observance begins at sunset with the Maghrib prayer.