London to Dubai
+4hLondon
GMTSOURCEDubai
GSTGreen rows indicate typical business hours (9 AM - 5 PM)
GMT and GST on the World Map
The map below highlights the GMT (Greenwich Mean Time) and GST (Gulf 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.
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.
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.
London was the first city to have an underground railway, opening in 1863.
About Dubai
WikipediaDubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.
Dubai has no income tax, making it a major hub for international business.
Comparing Time Zones: London and Dubai
London, UK operates on the Greenwich Mean Time (UTC+00:00). Dubai, UAE uses Gulf Standard Time (UTC+04:00).
The time difference between London and Dubai is 240 minutes (+4h). When it's noon in London, it's 04:00 PM in Dubai.
Why Convert London to Dubai Time?
Navigating the time gap between London and Dubai requires careful planning. With a difference of 4 hours, finding a suitable time for both locations is essential for effective collaboration. This tool simplifies the process, allowing you to instantly see the corresponding time in Dubai.
Best Practice: When proposing meeting times to someone in Dubai, offer a few options in their local time to show consideration for the 4-hour difference.
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 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 London and Dubai
If you want to reach someone in Dubai during standard business hours (9 AM – 5 PM GST), the best time to call from London would be:
- Dubai 9:00 AM = London 05:00 AM
- Dubai 12:00 PM = London 08:00 AM
- Dubai 5:00 PM = London 01:00 PM
Business Hours Overlap
London and Dubai have a partial business hours overlap. The best window for meetings and calls is when both locations are in their working hours.
As a final note, managing the +4h difference between London and Dubai is simple with the right tools. Keep this page handy for all your future time conversion needs.
🕐 Daylight Saving Time Info
London
❄ Currently in Standard Time
Standard: UTC+00:00 · DST: UTC+01:00
Clocks spring forward on Sun, Mar 29, 2026
Dubai
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 Dubai?
Dubai is +4h 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 Dubai in?
Dubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.
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 Dubai?
Standard business hours in Dubai are 8:00 AM - 6:00 PM GST.
What is the best time to schedule a call between London and Dubai?
The best overlap for a call is when both cities are in business hours. London works 9:00 AM - 5:00 PM GMT and Dubai works 8:00 AM - 6:00 PM GST (+4h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in London and Dubai?
London uses GBP (£) while Dubai uses AED (د.إ). Check current exchange rates when planning travel or business between these cities.
How do London and Dubai compare in size?
London has a population of approximately 8.8 million (metro: 14.8 million), while Dubai has approximately 3.5 million (metro: 4.1 million).
What are the major landmarks in London and Dubai?
London is known for Big Ben, Tower Bridge, Buckingham Palace. Dubai is famous for Burj Khalifa, Palm Jumeirah, Burj Al Arab.
Do London and Dubai have stock exchanges?
Yes. London has the LSE (London Stock Exchange) and Dubai has the DFM (Dubai Financial Market). The +4h 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 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 London, what time is it in Dubai?
When it is 12:00 AM (midnight) in London (GMT), it is +4h later in Dubai (GST).
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