What is the difference between THA and UTC?
THA is 7 hours ahead of UTC.
UTC time
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THA
Thailand Time
4 Dec 2025
Frequently Asked Questions
Does this location observe DST?
No, THA does not observe DST and stays at the same offset year-round.
Which major locations follow this offset?
Thailand follows THA, along with nearby countries such as Cambodia, Laos, and Vietnam.
What areas share this offset?
THA is shared by Thailand and a few other Southeast Asian countries, including Cambodia, Laos, and Vietnam.
How does this compare with nearby offsets?
THA is 7 hours ahead of UTC, which is the same as time in other Southeast Asian countries like Cambodia and Laos, but different from neighboring countries like Malaysia (which follows MYT, 8 hours ahead).
Why doesn't this location observe DST?
Thailand does not observe DST due to its location near the equator, where daylight hours remain consistent throughout the year, making DST unnecessary.
How was this offset established?
THA was established as the official time zone for Thailand, aligning with the country’s geographical location in Southeast Asia.
What are the typical work hours here?
Typical work hours in Thailand are from 9:00 AM to 6:00 PM, Monday through Friday, though some businesses may operate with extended hours.
What is the economic importance of this area?
Thailand is one of Southeast Asia's most important economies, with major industries including manufacturing (electronics, textiles), agriculture (rice, rubber), and tourism.