UTC to BST Time Zone Converter — UTC to Greenwich

Convert between any time zones worldwide. Free and accurate time zone converter with DST support.

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Conversion Table

FROM	TO	Period

Full 24-hour comparison grid

All timezones in sync. Click any slot to pin it.

Work hours (9 am–6 pm) Night (10 pm–6 am) Pinned / now

Popular Timezone Conversions

CST to EST PST to EST MST to EST GMT to EST JST to EST GST to EST IST to EST EST to GMT

About UTC to BST Conversion

Last updated: April 2026

Converting time between UTC and GMT requires understanding their time zone offsets and any daylight saving time adjustments. UTC (UTC) operates at UTC+0, while GMT (BST) is set to UTC+1. This means GMT is 1 hour ahead UTC. For example, when it's 3:56 AM UTC on May 20, 2026, it's 4:56 AM BST in GMT. Europe/London observes daylight saving time, switching between GMT (UTC+0) and BST (UTC+1), while UTC does not observe daylight saving time. Use this converter to quickly find the equivalent time in GMT for any time in UTC, whether you're scheduling meetings, planning travel, or coordinating with teams across different time zones.

Upcoming clock change (daylight saving)

To (Greenwich Mean Time): Next DST change: October 25, 2026 — BST shifts to GMT (UTC+0)

How to Use the Time Zone Converter

Last updated: April 2026

Select your source timezone from the "From timezone" dropdown (use search to find quickly)
Enter the date and time you want to convert (or click "Today" and "Now" for current time)
Select your target timezone from the "To timezone" dropdown
The conversion updates automatically as you change inputs - no button needed!
Use "Copy" button to copy the converted time, or use presets for quick conversions

More Conversions from UTC

UTC to EST UTC to CST UTC to MST UTC to MDT UTC to PST UTC to AKST UTC to HST UTC to CET UTC to EET UTC to MSK UTC to IST UTC to JST UTC to CST-CHINA UTC to HKT UTC to SGT UTC to GST UTC to AEST UTC to AWST UTC to NZST UTC to ART UTC to BRT UTC to PHT UTC to BDT UTC to KST UTC to SAST UTC to ICT UTC to EAT UTC to WAT UTC to PKT

Frequently Asked Questions

Last updated: April 2026

What is the time difference between UTC and BST?

The time difference between UTC and BST is 1 hour. BST is 1 hour ahead UTC.

Is BST ahead of or behind UTC?

BST is ahead of UTC by 1 hour. When it's 9 AM in UTC, it's 10:00 AM in BST.

How many hours do you add to UTC to get BST?

You add 1 hour to UTC to get BST. For example, 9 AM UTC + 1 hour = 10:00 AM BST.

Does the UTC to BST time difference change during Daylight Saving Time?

Yes, the time difference can change during Daylight Saving Time (DST). BST observes DST, which can affect the time difference during the transition periods in spring and fall.

What is 9 AM UTC in BST?

9 AM UTC is 10:00 AM BST. This conversion accounts for the 1-hour time difference between the two timezones.

Is UTC the same throughout the year when converting to BST?

No, the conversion between UTC and BST can vary during the year due to Daylight Saving Time. The time difference may change by 1 hour during DST transition periods (typically March and November), so always use a current timezone converter for accurate conversions.

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