Osaka is 1 hour ahead of Singapore. Osaka uses Japan Standard Time (JST, UTC+9) while Singapore uses Singapore Standard Time (SGT, UTC+8). When it's 12:00 PM in Osaka, it's 11:00 AM in Singapore.
Neither city observes daylight saving time, so this 1-hour difference remains constant year-round.
Best calling time: 9:00 AM - 6:00 PM Osaka time. This corresponds to 8:00 AM - 5:00 PM in Singapore, covering full business hours in both cities.
Osaka and Singapore are major business hubs in Asia. The short 1-hour time difference makes scheduling very convenient. Direct flights take about 7 hours.