GST to Thailand
+3hGST
GSTSOURCEThailand
ICTGreen rows indicate typical business hours (9 AM - 5 PM)
GST and ICT on the World Map
The map below highlights the GST (Gulf Standard Time) and ICT (Indochina Time) timezone regions across the globe.
GST – Gulf Standard Time
UTC+04:00Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.
- •Dubai uses GST year-round with no daylight saving time.
- •GST is 9 hours ahead of EST and 4 hours ahead of GMT.
- •The Dubai Financial Market (DFM) operates on GST.
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.
Everything You Need to Know About GST and Thailand Time
GST runs on Gulf Standard Time (GST) at UTC+04:00. Thailand runs on Indochina Time (ICT) at UTC+07:00. That puts GST 3 hours ahead of Thailand — a difference of +3h at the current offsets.
In practice, when it is 9:00 AM in GST it is 12:00 PM in Thailand. Midnight in GST is 3:00 AM in Thailand. Neither zone observes daylight saving time, so the offset between them stays constant all year.
GST to Thailand time conversion table
| GST (GST) | Thailand (ICT) | Day |
|---|---|---|
| 12:00 AM | 3:00 AM | same day |
| 6:00 AM | 9:00 AM | same day |
| 7:00 AM | 10:00 AM | same day |
| 8:00 AM | 11:00 AM | same day |
| 9:00 AM | 12:00 PM | same day |
| 12:00 PM | 3:00 PM | same day |
| 3:00 PM | 6:00 PM | same day |
| 5:00 PM | 8:00 PM | same day |
| 6:00 PM | 9:00 PM | same day |
| 9:00 PM | 12:00 AM | next day |
Why people convert GST to Thailand time
- Scheduling a call from GST to Thailand: a 10:00 AM start in GST lands at 1:00 PM in Thailand, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both GST and Thailand are inside the 9-to-5 working day between 9:00 AM and 2:00 PM GST time (12:00 PM–5:00 PM ICT). That is roughly 5 hours of usable overlap.
- Booking travel or deliveries: tracking Thailand local time against GST keeps pickup windows and arrival estimates honest across the +3h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM GST" is unambiguous; "3 PM" across a +3h gap is not.
- Block 9:00 AM–2:00 PM GST as the recurring meeting window if you work primarily from GST and need Thailand colleagues present.
About GST (Gulf Standard Time)
Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.
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.
Best time to call between GST and Thailand
Both GST and Thailand sit inside the 9 AM – 5 PM working day between 9:00 AM–2:00 PM GST, which is 12:00 PM–5:00 PM ICT. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
GST and Thailand share 5 hours of working-hours overlap (9:00 AM–2:00 PM GST), so scheduling a live meeting is straightforward.
GST is 3 hours ahead of Thailand (GST UTC+04:00 → ICT UTC+07:00). The shared working window is 9:00 AM–2:00 PM GST. Remember to re-check around daylight-saving transitions.
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 GST and Thailand?
GST (GST, UTC+04:00) is 3 hours ahead of Thailand (ICT, UTC+07:00). The gap is currently +3h.
How do I convert GST time to Thailand time?
Add +3h to GST local time. For example, 9:00 AM in GST is 12:00 PM in Thailand.
What time is it in Thailand right now?
Thailand uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +3h offset from GST.
What is the best time to call Thailand from GST?
Call between 9:00 AM and 2:00 PM GST — that maps to 12:00 PM–5:00 PM ICT and keeps both parties inside the working day.
Which is ahead, GST or Thailand?
GST is 3 hours ahead of Thailand. When it is 12:00 PM in GST it is 3:00 PM in Thailand.
Do GST and Thailand use different time zones?
GST uses GST at UTC+04:00, while Thailand (Thailand) uses ICT at UTC+07:00. The IANA identifiers are Asia/Dubai and Asia/Bangkok.
Does daylight saving time affect the GST–Thailand difference?
Neither zone observes daylight saving time, so the +3h offset between GST and Thailand is fixed all year.
Which other cities share GST's time zone?
GST also covers Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
Which countries use GST, GST's zone?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Is there a day difference between GST and Thailand?
Not normally. The +3h gap only pushes the date over for late-evening times.
What is the time difference between GST and Thailand?
Thailand is +3h from GST.
What timezone is GST in?
GST operates on its local timezone.
What timezone is Thailand in?
Thailand operates on its local timezone.
Which countries use GST (Gulf Standard Time)?
GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.
Does GST observe daylight saving time?
No, GST does not observe daylight saving time and remains at UTC+04:00 year-round.
What are some interesting facts about GST?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
Which cities are in the ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in GST, what time is it in Thailand?
When it is 12:00 AM (midnight) in GST (GST), it is +3h later in Thailand (ICT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More GST time conversions
- gst to dubai
- gst to uae
- gst to new york
- gst to london
- gst to tokyo
- gst to singapore
- gst to sydney
- gst to los angeles
- gst to paris
- gst to delhi
- gst to mumbai
- gst to berlin
- gst to hong kong
- gst to toronto
- gst to kathmandu
- new york to gst
- london to gst
- dubai to gst
- tokyo to gst
- singapore to gst
- sydney to gst
- los angeles to gst
- paris to gst
- delhi to gst
- mumbai to gst
- berlin to gst
- hong kong to gst
- toronto to gst
- kathmandu to gst
See every conversion from GST →·See every conversion from Thailand →