Current Time in London, United Kingdom

London follows the GMT/BST time zone, which is GMT+1 relative to Coordinated Universal Time (UTC). London observes Daylight Saving Time (DST), so the UTC offset shifts during summer months. Make sure to account for this when scheduling international meetings or calls. The IANA timezone identifier for London is `Europe/London`, which is the internationally standardized reference used by operating systems, programming languages, and scheduling software worldwide.

To convert the current time in London to another city, simply note the UTC offset (GMT+1) and calculate the difference. For example, if London is at GMT+1 and New York is at UTC-5, the difference is straightforward arithmetic. Our World Clock tool lets you compare London side-by-side with any other city in the world — no math needed.

Unlike static converters that show a snapshot, our live clock for London updates every second in real time. This is especially useful for: (1) Scheduling calls across time zones — see the exact moment in London before you dial. (2) Remote teams — if your colleagues are in London, always know if it's their working hours. (3) Travel planning — arrive prepared by tracking local time in London before your flight.

• Country: United Kingdom 🇬🇧 • Timezone Abbreviation: GMT/BST • UTC Offset: GMT+1 • IANA Identifier: Europe/London • Observes DST: Yes These details are pulled from the IANA Time Zone Database, the same source used by Apple, Google, and Microsoft for their system clocks.

Here is how London (GMT+1) compares to the world's three major business hubs: • vs. New York: London is 5 hours ahead of New York. • vs. London: London is the same time as London. • vs. Tokyo: London is 8 hours behind Tokyo. Note: These differences may shift slightly when Daylight Saving Time changes occur in any of these cities. Always confirm with a live clock when scheduling time-sensitive events.

If you're scheduling a call or meeting with someone in London from abroad, here are the optimal windows: • From the US (New York, ET): 2:00 PM–10:00 PM (when New York (ET) is 9 AM–5 PM) local London time. • From the UK (London, GMT/BST): 9:00 AM–5:00 PM (when London (GMT/BST) is 9 AM–5 PM) local London time. These windows align with standard 9 AM–5 PM business hours in the caller's location. Adjust for your specific team's working hours as needed.