The Vientiane Community Council
Imams and elders of the Vientiane Muslim Association convene on the 29th of each lunar month, cross-checking local horizon conditions along the Mekong River with regional announcements from Thailand and Malaysia.
Regional Astronomical Harmony
Sharing the Indochina geographical meridian, Laos observes identical lunar visibility curves to northeastern Thailand, ensuring complete harmony in community religious celebrations.
Day Transition Dynamics
The civil calendar updates at 12:00 AM midnight Indochina Time (ICT / Asia/Vientiane, UTC+7), while religious observance begins at sunset with the Maghrib prayer.