The Blue Mosque Assembly

The resident imam and cultural center administration at the Blue Mosque on Mashtots Avenue in Yerevan determine religious dates in consultation with regional Islamic authorities.

Astronomical Geography

Surrounded by mountains, Yerevan observes dates synchronized with regional astronomical bulletins from neighboring Transcaucasian and Iranian observatories.

Day Transition Dynamics

The civil calendar updates at 12:00 AM midnight Armenia Time (AMT / Asia/Yerevan, UTC+4), while religious worship commences at sunset with the Maghrib prayer.