Singapore is 5 hours ahead of Doha. Doha uses Arabia Standard Time (AST, UTC+3) while Singapore uses Singapore Standard Time (SGT, UTC+8). When it's 9:00 AM in Doha, it's 2:00 PM in Singapore.
Neither city observes daylight saving time, so the 5-hour difference remains constant year-round.
Best calling time: 4:00 AM - 12:00 PM Doha time. This corresponds to 9:00 AM - 5:00 PM in Singapore, covering Singaporean business hours.
Doha and Singapore are major aviation hubs, with Qatar Airways and Singapore Airlines connecting the cities directly. Both are important financial centers with growing trade and investment ties.