Tokyo is 2 hours ahead of Bangkok. Tokyo uses Japan Standard Time (JST, UTC+9) while Bangkok uses Indochina Time (ICT, UTC+7). When it's 12:00 PM in Bangkok, it's 2:00 PM in Tokyo.
Neither Japan nor Thailand observes daylight saving time, so the 2-hour difference remains constant year-round.
Best calling time: 11:00 AM - 8:00 PM Tokyo time. This corresponds to 9:00 AM - 6:00 PM in Bangkok, covering standard business hours.
Tokyo and Bangkok are both major Asian metropolises with extensive tourism and business connections. Direct flights connect them in about 6 hours.