Al Fajr Clock City Code -

The loudest complaint about dawn in a dense city is noise. The Code mandates that between Isha (night prayer) and Fajr , industrial noise, construction work, and heavy traffic must drop by a specific decibel level (e.g., -40dB). At the Adhan (call to prayer) of Fajr, the city’s public audio systems switch to a "whisper mode," allowing the spiritual sound to resonate without competing with car alarms or subway rumbles.