Bangkok to NST
-10h 30mBangkok
ICTSOURCENST
NSTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and NST on the World Map
The map below highlights the ICT (Indochina Time) and NST (Newfoundland Standard Time) timezone regions across the globe.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •Bangkok is one of the most visited cities in the world.
- •ICT is 12 hours ahead of EST.
- •Thailand, Vietnam, and Cambodia all share ICT.
NST – Newfoundland Standard Time
UTC-03:30Newfoundland Standard Time (NST) is a unique half-hour offset time zone in Canada, 3.5 hours behind UTC.
- •NST is one of only a few half-hour offset time zones in the world.
- •Newfoundland joined Canada in 1949 and kept its unique time zone.
- •St. John's is the easternmost city in North America.
About Bangkok
WikipediaBangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
Bangkok is one of the world's most visited cities, with over 22 million visitors annually.
Understanding the -10h 30m Gap: Bangkok vs NST
Bangkok runs on Indochina Time (ICT) at UTC+07:00. NST runs on Newfoundland Standard Time (NST) at UTC-03:30. That puts Bangkok 10 hours 30 minutes behind NST — a difference of -10h 30m at the current offsets.
In practice, when it is 9:00 AM in Bangkok it is 10:30 PM in NST on the previous day. Midnight in Bangkok is 1:30 PM in NST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Bangkok to NST time conversion table
| Bangkok (ICT) | NST (NST) | Day |
|---|---|---|
| 12:00 AM | 1:30 PM | previous day |
| 6:00 AM | 7:30 PM | previous day |
| 7:00 AM | 8:30 PM | previous day |
| 8:00 AM | 9:30 PM | previous day |
| 9:00 AM | 10:30 PM | previous day |
| 12:00 PM | 1:30 AM | same day |
| 3:00 PM | 4:30 AM | same day |
| 5:00 PM | 6:30 AM | same day |
| 6:00 PM | 7:30 AM | same day |
| 9:00 PM | 10:30 AM | same day |
Why people convert Bangkok to NST time
- Scheduling a call from Bangkok to NST: a 10:00 AM start in Bangkok lands at 11:30 PM in NST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -10h 30m gap: Bangkok and NST have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in NST is 10:30 PM in Bangkok.
- Keeping family and friends in sync: knowing that 8:00 PM in Bangkok is 9:30 AM in NST makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -10h 30m gap is not.
- With a -10h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week Bangkok takes the early slot, the next week NST does.
About ICT (Indochina Time)
Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.
About NST (Newfoundland Standard Time)
Newfoundland Standard Time (NST) is one of the few half-hour offset time zones in the world. It covers the island of Newfoundland in Canada and is 30 minutes ahead of Atlantic Standard Time. This unique offset exists because Newfoundland was an independent country until 1949.
Best time to call between Bangkok and NST
With a -10h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. NST opens at 9:00 AM NST, which is 10:30 PM in Bangkok, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Bangkok and NST have no shared working hours because of the -10h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
Bangkok is 10 hours 30 minutes behind NST (ICT UTC+07:00 → NST UTC-03:30). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Bangkok
Does not observe DST
NST
☀ Currently in DST
Standard: UTC-03:30 · DST: UTC-02:30
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Bangkok and NST?
Bangkok (ICT, UTC+07:00) is 10 hours 30 minutes behind NST (NST, UTC-03:30). The gap is currently -10h 30m.
How do I convert Bangkok time to NST time?
Add -10h 30m to Bangkok local time. For example, 9:00 AM in Bangkok is 10:30 PM in NST (previous day).
What time is it in NST right now?
NST uses NST at UTC-03:30. Use the live converter at the top of this page — it updates in real time and already accounts for the -10h 30m offset from Bangkok.
What is the best time to call NST from Bangkok?
There is no shared working-hours window because of the -10h 30m gap. The closest option is 1:00 PM in Bangkok, which is 2:30 AM in NST.
Which is behind, Bangkok or NST?
Bangkok is 10 hours 30 minutes behind NST. When it is 12:00 PM in Bangkok it is 1:30 AM in NST.
Do Bangkok and NST use different time zones?
Bangkok (Thailand) uses ICT at UTC+07:00, while NST uses NST at UTC-03:30. The IANA identifiers are Asia/Bangkok and America/St_Johns.
Does daylight saving time affect the Bangkok–NST difference?
Neither zone observes daylight saving time, so the -10h 30m offset between Bangkok and NST is fixed all year.
Which other cities share Bangkok's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Bangkok's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Bangkok and NST?
Not normally. The -10h 30m gap only pushes the date over the previous day.
What is the time difference between Bangkok and NST?
NST is -10h 30m from Bangkok.
What timezone is Bangkok in?
Bangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
What timezone is NST in?
NST operates on its local timezone.
What are the business hours in Bangkok?
Standard business hours in Bangkok are 8:30 AM - 5:30 PM ICT.
Which countries use ICT (Indochina Time)?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Does ICT observe daylight saving time?
No, ICT does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about ICT?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
Which cities are in the NST timezone?
Major cities in the NST timezone include St. John's, Corner Brook, Mount Pearl.
What is the UTC offset for NST?
Newfoundland Standard Time (NST) is at UTC-03:30. During daylight saving time, it shifts to NDT.
What should I know about the NST timezone?
NST is one of only a few half-hour offset time zones in the world. Newfoundland joined Canada in 1949 and kept its unique time zone.
When is it midnight in Bangkok, what time is it in NST?
When it is 12:00 AM (midnight) in Bangkok (ICT), it is -10h 30m later in NST (NST).
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