🇬🇧 London Time Zone Information & Quick Conversion
Current local time in London — the city operates on GMT (Greenwich Mean Time, UTC+0) during standard time and BST (British Summer Time, UTC+1) from late March to late October. Use the links below to convert London time to any major city worldwide.
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🌍 London Time Conversion Hub
Quickly convert the current time in London to any major city around the globe. Click any link below to see the exact time difference and plan your international meetings with confidence.
London is the home of Greenwich Mean Time (GMT), the world's time‑keeping standard. During standard time, London is on UTC+0. From the last Sunday in March to the last Sunday in October, the city switches to British Summer Time (BST), which is UTC+1.
This seasonal change affects time differences with other regions. For example, when London is on BST, it is 5 hours ahead of New York (EDT, UTC-4), and 8 hours behind Tokyo (JST, UTC+9). When London is on GMT, the offsets shift by one hour (e.g., 9 hours behind Tokyo).
Golden tip: Use the conversion links above to instantly check the current time in any city relative to London. Bookmark this page as your central reference for London time coordination.
❓ Frequently Asked Questions about London Time
Is London currently on GMT or BST?
It depends on the season. From late October to late March, London observes GMT (UTC+0). From late March to late October, it observes BST (UTC+1) for daylight saving. The badge above shows the current status.
What is the time difference between London and New York?
When London is on BST (UTC+1), New York (EDT, UTC-4) is 5 hours behind. When London is on GMT (UTC+0), New York (EST, UTC-5) is also 5 hours behind — the offset remains consistent because both regions shift for daylight saving at similar times of the year.
How many hours is London ahead of or behind Tokyo?
Tokyo is on JST (UTC+9) year-round. When London is on BST (UTC+1), Tokyo is 8 hours ahead. When London is on GMT (UTC+0), Tokyo is 9 hours ahead. So London is always behind Tokyo by 8 or 9 hours.
What is the best time to schedule a meeting between London and Sydney?
Sydney (AEST, UTC+10) is typically 9–11 hours ahead of London. The most practical overlap window is 07:00–09:00 London time (16:00–18:00 Sydney time) or 16:00–18:00 London time (01:00–03:00 Sydney time, next day).
Does London observe daylight saving time?
Yes. London switches to British Summer Time (BST) on the last Sunday of March and reverts to GMT on the last Sunday of October. This follows the EU daylight saving schedule.