There is no time difference between Bangkok and Ho Chi Minh City. Both cities use Indochina Time (ICT, UTC+7). When it's 9:00 AM in Bangkok, it's also 9:00 AM in Ho Chi Minh City.
Neither city observes daylight saving time, so they remain synchronized year-round.
Any time works! Since both cities share the same timezone, you can schedule calls during standard business hours (9:00 AM - 6:00 PM) without any time conversion needed.
Bangkok and Ho Chi Minh City are major Southeast Asian economic centers. Direct flights between the two cities take approximately 1.5 hours, making this a popular business and tourism route.