Singapore to London
-8hSingapore
SGTSOURCELondon
GMTGreen rows indicate typical business hours (9 AM - 5 PM)
SGT and GMT on the World Map
The map below highlights the SGT (Singapore Standard Time) and GMT (Greenwich Mean 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.
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.
About Singapore
WikipediaSingapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
The city-state has the world's highest percentage of millionaires, with 1 in 6 households.
About London
WikipediaLondon, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.
Greenwich Mean Time (GMT) is defined by the Prime Meridian at the Royal Observatory in Greenwich, London.
Time Conversion Guide: Singapore to London
Singapore, Singapore operates on the Singapore Standard Time (UTC+08:00). London, UK uses Greenwich Mean Time (UTC+00:00).
The time difference between Singapore and London is 480 minutes (+8h). When it's noon in Singapore, it's 04:00 AM in London.
Why Convert Singapore to London Time?
Whether you're traveling from Singapore to London or simply need to coordinate across time zones, understanding the 8-hour difference is key. Use this converter to quickly determine the current time in London and ensure your schedule aligns perfectly.
Pro Tip: If you frequently communicate with people in London from Singapore, consider adding a dual-clock widget to your phone or computer to keep track of the 8-hour difference at a glance.
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 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.
Best Time to Call Between Singapore and London
If you want to reach someone in London during standard business hours (9 AM – 5 PM GMT), the best time to call from Singapore would be:
- London 9:00 AM = Singapore 05:00 PM
- London 12:00 PM = Singapore 08:00 PM
- London 5:00 PM = Singapore 01:00 AM
Business Hours Overlap
Singapore and London have a partial business hours overlap. The best window for meetings and calls is when both locations are in their working hours.
To wrap up, keeping track of the -8h gap between Singapore and London is essential for seamless communication. Bookmark this converter to stay on top of your schedule.
🕐 Daylight Saving Time Info
Singapore
Does not observe DST
London
❄ Currently in Standard Time
Standard: UTC+00:00 · DST: UTC+01:00
Clocks spring forward on Sun, Mar 29, 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 Singapore and London?
London is -8h from Singapore.
What timezone is Singapore in?
Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
What timezone is London in?
London, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.
What are the business hours in Singapore?
Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.
What are the business hours in London?
Standard business hours in London are 9:00 AM - 5:00 PM GMT.
What is the best time to schedule a call between Singapore and London?
The best overlap for a call is when both cities are in business hours. Singapore works 9:00 AM - 6:00 PM SGT and London works 9:00 AM - 5:00 PM GMT (-8h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Singapore and London?
Singapore uses SGD (S$) while London uses GBP (£). Check current exchange rates when planning travel or business between these cities.
How do Singapore and London compare in size?
Singapore has a population of approximately 5.5 million (metro: 5.9 million), while London has approximately 8.8 million (metro: 14.8 million).
What are the major landmarks in Singapore and London?
Singapore is known for Marina Bay Sands, Gardens by the Bay, Merlion. London is famous for Big Ben, Tower Bridge, Buckingham Palace.
Do Singapore and London have stock exchanges?
Yes. Singapore has the SGX (Singapore Exchange) and London has the LSE (London Stock Exchange). The -8h time difference affects trading hour overlaps between these exchanges.
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 GMT timezone?
Major cities in the GMT timezone include London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar.
What is the UTC offset for GMT?
Greenwich Mean Time (GMT) is at UTC+00:00. During daylight saving time, it shifts to BST.
What should I know about the GMT timezone?
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.
When is it midnight in Singapore, what time is it in London?
When it is 12:00 AM (midnight) in Singapore (SGT), it is -8h later in London (GMT).
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