London to Singapore
+7hLondon
BSTSOURCESingapore
SGTGreen rows indicate typical business hours (9 AM - 5 PM)
BST and SGT on the World Map
The map below highlights the BST (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.
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.
Big Ben is actually the name of the bell inside the Elizabeth Tower, not the tower itself.
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.
Time Conversion Guide: London to Singapore
London runs on British Summer Time (BST) at UTC+01:00, currently observing daylight saving time. Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. That puts London 7 hours ahead of Singapore — a difference of +7h at the current offsets.
In practice, when it is 9:00 AM in London it is 4:00 PM in Singapore. Midnight in London is 7:00 AM in Singapore.London observes daylight saving time while Singapore does not, so the gap narrows or widens by an hour part of the year.
London to Singapore time conversion table
| London (BST) | Singapore (SGT) | Day |
|---|---|---|
| 12:00 AM | 7:00 AM | same day |
| 6:00 AM | 1:00 PM | same day |
| 7:00 AM | 2:00 PM | same day |
| 8:00 AM | 3:00 PM | same day |
| 9:00 AM | 4:00 PM | same day |
| 12:00 PM | 7:00 PM | same day |
| 3:00 PM | 10:00 PM | same day |
| 5:00 PM | 12:00 AM | next day |
| 6:00 PM | 1:00 AM | next day |
| 9:00 PM | 4:00 AM | next day |
Why people convert London to Singapore time
- Scheduling a call from London to Singapore: a 10:00 AM start in London lands at 5:00 PM in Singapore, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both London and Singapore are inside the 9-to-5 working day between 9:00 AM and 10:00 AM BST time (4:00 PM–5:00 PM SGT). That is roughly 1 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in London is 3:00 AM in Singapore makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM BST" is unambiguous; "3 PM" across a +7h gap is not.
- Block 9:00 AM–10:00 AM BST as the recurring meeting window if you work primarily from London and need Singapore colleagues present.
- London: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +7h gap.
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 London and Singapore
Both London and Singapore sit inside the 9 AM – 5 PM working day between 9:00 AM–10:00 AM BST, which is 4:00 PM–5:00 PM SGT. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
London and Singapore overlap for only 60 minutes (9:00 AM–10:00 AM BST), so meetings have to be booked precisely.
London is 7 hours ahead of Singapore (BST UTC+01:00 → SGT UTC+08:00). The shared working window is 9:00 AM–10:00 AM BST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
London
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 2026
Singapore
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 London and Singapore?
London (BST, UTC+01:00) is 7 hours ahead of Singapore (SGT, UTC+08:00). The gap is currently +7h.
How do I convert London time to Singapore time?
Add +7h to London local time. For example, 9:00 AM in London is 4:00 PM in Singapore.
What time is it in Singapore right now?
Singapore uses SGT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +7h offset from London.
What is the best time to call Singapore from London?
Call between 9:00 AM and 10:00 AM BST — that maps to 4:00 PM–5:00 PM SGT and keeps both parties inside the working day.
Which is ahead, London or Singapore?
London is 7 hours ahead of Singapore. When it is 12:00 PM in London it is 7:00 PM in Singapore.
Do London and Singapore use different time zones?
London (UK) uses BST at UTC+01:00, while Singapore (Singapore) uses SGT at UTC+08:00. The IANA identifiers are Europe/London and Asia/Singapore.
Does daylight saving time affect the London–Singapore difference?
Yes at the moment: London is on daylight saving time and Singapore is not, so the +7h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share London's time zone?
BST also covers London, Dublin, Lisbon, Accra, Reykjavik, Edinburgh, Casablanca, Dakar and 5 more.
Which countries use BST, London's zone?
BST is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, Mali, Mauritania and 7 more.
Is there a day difference between London and Singapore?
Not normally. The +7h gap only pushes the date over for late-evening times.
What is the time difference between London and Singapore?
Singapore is +7h from London.
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 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 are the business hours in London?
Standard business hours in London are 9:00 AM - 5:00 PM GMT.
What are the business hours in Singapore?
Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.
What is the best time to schedule a call between London and Singapore?
The best overlap for a call is when both cities are in business hours. London works 9:00 AM - 5:00 PM GMT and Singapore works 9:00 AM - 6:00 PM SGT (+7h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in London and Singapore?
London uses GBP (£) while Singapore uses SGD (S$). Check current exchange rates when planning travel or business between these cities.
How do London and Singapore compare in size?
London has a population of approximately 8.8 million (metro: 14.8 million), while Singapore has approximately 5.5 million (metro: 5.9 million).
What are the major landmarks in London and Singapore?
London is known for Big Ben, Tower Bridge, Buckingham Palace. Singapore is famous for Marina Bay Sands, Gardens by the Bay, Merlion.
Do London and Singapore have stock exchanges?
Yes. London has the LSE (London Stock Exchange) and Singapore has the SGX (Singapore Exchange). The +7h time difference affects trading hour overlaps between these exchanges.
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 London, what time is it in Singapore?
When it is 12:00 AM (midnight) in London (GMT), it is +7h later in Singapore (SGT).
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