Singapore is 2 hours and 30 minutes ahead of Colombo. Colombo uses Sri Lanka Standard Time (SLST, UTC+5:30) while Singapore uses Singapore Standard Time (SGT, UTC+8). When it's 12:00 PM in Colombo, it's 2:30 PM in Singapore.
Neither city observes daylight saving time, so the 2.5-hour difference remains constant year-round.
Best calling time: 6:30 AM - 2:30 PM Colombo time. This corresponds to 9:00 AM - 5:00 PM in Singapore, covering Singaporean business hours.
Singapore is a major destination for Sri Lankan professionals and students. Direct flights between Colombo and Singapore take about 4 hours, with frequent service from both SriLankan Airlines and Singapore Airlines.