GMT to SGT
+7hGMT
GMTSOURCESGT
SGTGreen rows indicate typical business hours (9 AM - 5 PM)
GMT and SGT on the World Map
The map below highlights the GMT (Greenwich Mean Time) and SGT (Singapore Standard Time) timezone regions across the globe.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
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.
Time Conversion Guide: GMT to SGT
GMT (Greenwich Mean Time) operates on the Greenwich Mean Time (UTC+00:00). SGT (Singapore Time) uses Singapore Standard Time (UTC+08:00).
The time difference between GMT and SGT is 420 minutes (+7h). When it's noon in GMT, it's 07:00 PM in SGT.
Why Convert GMT to SGT Time?
Coordinating across the 7-hour time difference between GMT and SGT doesn't have to be complicated. This converter provides a clear and accurate way to translate time from GMT to SGT, making it easier to manage international relationships and business dealings.
Quick Tip: Use calendar apps that automatically adjust for time zones when sending invites from GMT to SGT. This ensures everyone sees the correct time for their location.
About GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
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.
Best Time to Call Between GMT and SGT
If you want to reach someone in SGT during standard business hours (9 AM – 5 PM SGT), the best time to call from GMT would be:
- SGT 9:00 AM = GMT 02:00 AM
- SGT 12:00 PM = GMT 05:00 AM
- SGT 5:00 PM = GMT 10:00 AM
Business Hours Overlap
GMT and SGT have a partial business hours overlap. The best window for meetings and calls is when both locations are in their working hours.
Ultimately, understanding the +7h difference between GMT and SGT empowers you to coordinate better. Whether for business or personal reasons, this tool ensures you're always on time.
🕐 Daylight Saving Time Info
GMT
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
SGT
Does not observe DST
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 GMT and SGT?
SGT is +7h from GMT.
What timezone is GMT in?
GMT operates on its local timezone.
What timezone is SGT in?
SGT operates on its local timezone.
Which countries use GMT (Greenwich Mean Time)?
GMT is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, and 9 more countries.
Does GMT observe daylight saving time?
Yes, GMT switches to BST during summer months.
What are some interesting facts about GMT?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
Which cities are in the SGT timezone?
Major cities in the SGT timezone include Singapore.
What is the UTC offset for SGT?
Singapore Standard Time (SGT) is at UTC+08:00.
What should I know about the SGT timezone?
Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.
When is it midnight in GMT, what time is it in SGT?
When it is 12:00 AM (midnight) in GMT (GMT), it is +7h later in SGT (SGT).
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