Ramadan changes the rhythm of Dubai, and app usage follows it. Private-sector working days get two hours shorter, meals move to iftar at sunset and suhoor before dawn, and much of the city's shopping, ordering and socializing shifts into the evening. Astronomers in the UAE project that Ramadan 2027 will begin on February 8, with Eid al-Fitr expected on March 9 or 10, subject to moon sighting....