Thailand · ICT
Tue, 15 Sept 2026
Timezone Guide
Ayutthaya, Thailand runs on UTC+7. This time zone stays fixed year-round at UTC+7 — daylight saving time is not observed. There is a 11-hour difference between Ayutthaya and New York. Standard working hours don't overlap at all with New York, so meetings need an early or late slot on one side. There is a 6-hour difference between Ayutthaya and London. Standard 9-to-6 working hours overlap for about 3 hours a day with London. A good time to connect: 15:00–18:00 in Ayutthaya lines up with 09:00–12:00 in London. There is a 2-hour difference between Ayutthaya and Tokyo. Standard 9-to-6 working hours overlap for about 7 hours a day with Tokyo. A good time to connect: 09:00–16:00 in Ayutthaya lines up with 11:00–18:00 in Tokyo. This timezone is also shared with cities such as Bangkok, Jakarta, Ho Chi Minh City. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Ayutthaya.
Practical Info
Ayutthaya (Thailand) is home to roughly 55K people. Today brings about 12.9 hours of daylight: sunrise at 05:54, sunset at 18:48. This time zone stays fixed year-round at UTC+7 — daylight saving time is not observed. It sits in the Northern Hemisphere, about 14° north of the equator. Traffic drives on the left.
Flag
Thailand
Capital
Bangkok
Continent
Asia
Time Zone
ICT · Asia/Bangkok
Coordinates
14.35°N, 100.58°E
Currency
THB (฿)
Calling Code
+66
Driving Side
Left
Hemisphere
Northern
Language
Thai
Measurement System
Metric
Did You Know?
Ayutthaya may have held around one million people by 1700, which would have made it the largest city in the world at the time. Burmese forces destroyed it in 1767, and the capital moved downriver to what became Bangkok.
The clock: Ayutthaya keeps UTC+7. A Buddha head grown into the roots of a banyan tree at Wat Mahathat is its best-known image.
Annual Daylight
Working Hours
5h overlap