Current time in London

Frequently asked questions

Common questions about London's time zone, daylight saving rules, and scheduling across it. Can't find what you need? Email [email protected].

Why does London switch clocks twice a year?

The UK observes daylight saving, shifting from GMT in winter to BST in summer. This moves an extra hour of daylight into the evening, extending the usable overlap with both Asia and the Americas.

What’s the earliest sunrise in London?

Around the summer solstice in June, sunrise can occur just after 4:40 AM BST. That’s hours before many team members in North America have even finished their late shift.

How does London coordinate with both New York and Singapore?

London typically starts the trading day as Singapore’s week ends, then overlaps with New York by mid-morning. This sequencing makes it a relay point for 24-hour global operations.

What happens during the autumn clock change?

At 2 AM BST on the last Sunday in October, clocks go back to 1 AM GMT. This sudden hour can confuse calendar invites if your team relies on local time strings rather than UTC.

Does the UK ever consider leaving daylight saving?

Debates surface now and then, but no action has been taken. Sticking with it keeps the UK aligned with Continental Europe’s DST cycle, easing scheduling for regional partners.

How does London’s latitude affect day length?

Being at about 51° north, London swings from roughly 8 hours of daylight in December to more than 16 hours in June. Summer nights barely get dark, while winter afternoons are short and dim.

Is ‘GMT’ ever wrong to use?

Technically, GMT is the winter offset; BST is the summer one. For remote-team tools, use ‘Europe/London’ so the software handles the switch automatically.

Why does London feel like a ‘neutral’ time zone?

Because it sits between US and Asian trading hours, many organizations treat its business day as the default reference point for deadlines, standups, and release schedules across regions.