SGT to GST
-4hSGT
SGTSOURCEGST
GSTGreen rows indicate typical business hours (9 AM - 5 PM)
SGT and GST on the World Map
The map below highlights the SGT (Singapore Standard Time) and GST (Gulf Standard Time) timezone regions across the globe.
SGT – Singapore Standard Time
UTC+08:00Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.
- •Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
- •Singapore does not observe daylight saving time.
- •The Singapore Exchange (SGX) operates on SGT.
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.
Time Conversion Guide: SGT to GST
SGT runs on Singapore Standard Time (SGT) at UTC+08:00. GST runs on Gulf Standard Time (GST) at UTC+04:00. That puts SGT 4 hours behind GST — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in SGT it is 5:00 AM in GST. Midnight in SGT is 8:00 PM in GST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
SGT to GST time conversion table
| SGT (SGT) | GST (GST) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert SGT to GST time
- Scheduling a call from SGT to GST: a 10:00 AM start in SGT lands at 6:00 AM in GST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both SGT and GST are inside the 9-to-5 working day between 1:00 PM and 5:00 PM SGT time (9:00 AM–1:00 PM GST). That is roughly 4 hours of usable overlap.
- Watching a live event or market open: SGT viewers need 5:00 AM in GST to catch a 9:00 AM start there, and 4:00 AM if the event is anchored to SGT.
- Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a -4h gap is not.
- Block 1:00 PM–5:00 PM SGT as the recurring meeting window if you work primarily from SGT and need GST colleagues present.
About SGT (Singapore Standard Time)
Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.
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.
Best time to call between SGT and GST
Both SGT and GST sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM SGT, which is 9:00 AM–1:00 PM GST. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
SGT and GST overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
SGT is 4 hours behind GST (SGT UTC+08:00 → GST UTC+04:00). The shared working window is 1:00 PM–5:00 PM SGT. 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 SGT and GST?
SGT (SGT, UTC+08:00) is 4 hours behind GST (GST, UTC+04:00). The gap is currently -4h.
How do I convert SGT time to GST time?
Add -4h to SGT local time. For example, 9:00 AM in SGT is 5:00 AM in GST.
What time is it in GST right now?
GST uses GST at UTC+04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -4h offset from SGT.
What is the best time to call GST from SGT?
Call between 1:00 PM and 5:00 PM SGT — that maps to 9:00 AM–1:00 PM GST and keeps both parties inside the working day.
Which is behind, SGT or GST?
SGT is 4 hours behind GST. When it is 12:00 PM in SGT it is 8:00 AM in GST.
Does daylight saving time affect the SGT–GST difference?
Neither zone observes daylight saving time, so the -4h offset between SGT and GST is fixed all year.
Which other cities share SGT's time zone?
SGT also covers Singapore.
Which countries use SGT, SGT's zone?
SGT is used in Singapore.
Is there a day difference between SGT and GST?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between SGT and GST?
GST is -4h from SGT.
What timezone is SGT in?
SGT operates on its local timezone.
What timezone is GST in?
GST operates on its local timezone.
Which countries use SGT (Singapore Standard Time)?
SGT is used in Singapore.
Does SGT observe daylight saving time?
No, SGT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about SGT?
Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.
Which cities are in the GST timezone?
Major cities in the GST timezone include Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.
What is the UTC offset for GST?
Gulf Standard Time (GST) is at UTC+04:00.
What should I know about the GST timezone?
Dubai uses GST year-round with no daylight saving time. GST is 9 hours ahead of EST and 4 hours ahead of GMT.
When is it midnight in SGT, what time is it in GST?
When it is 12:00 AM (midnight) in SGT (SGT), it is -4h later in GST (GST).
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