SGT to United Kingdom
-7hSGT
SGTSOURCEUnited Kingdom
BSTGreen rows indicate typical business hours (9 AM - 5 PM)
SGT and BST on the World Map
The map below highlights the SGT (Singapore Standard Time) and BST (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.
Time Conversion Guide: SGT to United Kingdom
SGT runs on Singapore Standard Time (SGT) at UTC+08:00. United Kingdom runs on British Summer Time (BST) at UTC+01:00, also currently on daylight saving time. That puts SGT 7 hours behind United Kingdom — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in SGT it is 2:00 AM in United Kingdom. Midnight in SGT is 5:00 PM in United Kingdom.United Kingdom observes daylight saving time while SGT does not, so the gap narrows or widens by an hour part of the year.
SGT to United Kingdom time conversion table
| SGT (SGT) | United Kingdom (BST) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert SGT to United Kingdom time
- Scheduling a call from SGT to United Kingdom: a 10:00 AM start in SGT lands at 3:00 AM in United Kingdom, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both SGT and United Kingdom are inside the 9-to-5 working day between 4:00 PM and 5:00 PM SGT time (9:00 AM–10:00 AM BST). That is roughly 1 hours of usable overlap.
- Watching a live event or market open: SGT viewers need 2:00 AM in United Kingdom to catch a 9:00 AM start there, and 7:00 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 -7h gap is not.
- Block 4:00 PM–5:00 PM SGT as the recurring meeting window if you work primarily from SGT and need United Kingdom colleagues present.
- United Kingdom: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 SGT and United Kingdom
Both SGT and United Kingdom sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM SGT, which is 9:00 AM–10:00 AM BST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
SGT and United Kingdom overlap for only 60 minutes (4:00 PM–5:00 PM SGT), so meetings have to be booked precisely.
SGT is 7 hours behind United Kingdom (SGT UTC+08:00 → BST UTC+01:00). The shared working window is 4:00 PM–5:00 PM SGT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
SGT
Does not observe DST
United Kingdom
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 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 SGT and United Kingdom?
SGT (SGT, UTC+08:00) is 7 hours behind United Kingdom (BST, UTC+01:00). The gap is currently -7h.
How do I convert SGT time to United Kingdom time?
Add -7h to SGT local time. For example, 9:00 AM in SGT is 2:00 AM in United Kingdom.
What time is it in United Kingdom right now?
United Kingdom uses BST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from SGT.
What is the best time to call United Kingdom from SGT?
Call between 4:00 PM and 5:00 PM SGT — that maps to 9:00 AM–10:00 AM BST and keeps both parties inside the working day.
Which is behind, SGT or United Kingdom?
SGT is 7 hours behind United Kingdom. When it is 12:00 PM in SGT it is 5:00 AM in United Kingdom.
Do SGT and United Kingdom use different time zones?
SGT uses SGT at UTC+08:00, while United Kingdom (United Kingdom) uses BST at UTC+01:00. The IANA identifiers are Asia/Singapore and Europe/London.
Does daylight saving time affect the SGT–United Kingdom difference?
Yes at the moment: United Kingdom is on daylight saving time and SGT is not, so the -7h gap shifts by an hour when exactly one of them changes clocks.
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 United Kingdom?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between SGT and United Kingdom?
United Kingdom is -7h from SGT.
What timezone is SGT in?
SGT operates on its local timezone.
What timezone is United Kingdom in?
United Kingdom 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 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 SGT, what time is it in United Kingdom?
When it is 12:00 AM (midnight) in SGT (SGT), it is -7h later in United Kingdom (GMT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More SGT time conversions
- sgt to singapore
- sgt to new york
- sgt to london
- sgt to dubai
- sgt to tokyo
- sgt to sydney
- sgt to los angeles
- sgt to paris
- sgt to delhi
- sgt to mumbai
- sgt to berlin
- sgt to hong kong
- sgt to toronto
- sgt to kathmandu
- new york to sgt
- london to sgt
- dubai to sgt
- tokyo to sgt
- singapore to sgt
- sydney to sgt
- los angeles to sgt
- paris to sgt
- delhi to sgt
- mumbai to sgt
- berlin to sgt
- hong kong to sgt
- toronto to sgt
- kathmandu to sgt
See every conversion from SGT →·See every conversion from United Kingdom →