Singapore is 1 hour ahead of Hanoi. Hanoi uses Indochina Time (ICT, UTC+7) while Singapore uses Singapore Standard Time (SGT, UTC+8). When it's 12:00 PM in Hanoi, it's 1:00 PM in Singapore.
Neither city observes daylight saving time, so the 1-hour difference remains constant year-round.
Best calling time: 8:00 AM - 4:00 PM Hanoi time. This corresponds to 9:00 AM - 5:00 PM in Singapore, covering Singaporean business hours.
Hanoi and Singapore are connected by direct flights taking about 3.5 hours. Singapore is a major investment source for Vietnam, and both cities have strong trade ties in manufacturing and technology.