Tokyo is 3.5 hours ahead of Mumbai. Mumbai uses Indian Standard Time (IST, UTC+5:30) while Tokyo uses Japan Standard Time (JST, UTC+9). When it's 12:00 PM in Mumbai, it's 3:30 PM in Tokyo.
Neither city observes daylight saving time, so the 3.5-hour difference remains constant year-round.
Best calling time: 5:30 AM - 2:30 PM Mumbai time. This corresponds to 9:00 AM - 6:00 PM in Tokyo, covering standard business hours.
Mumbai and Tokyo are major Asian economic centers with growing business ties. Japan is a significant investor in India, particularly in manufacturing and infrastructure. Direct flights take about 8 hours.