GMT to PST Converter
Pacific Time is 8 hours behind GMT in winter and 7 hours behind in summer. Enter a time to convert, or see the current time in both zones.
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What is the time difference between GMT and PST?
What is the time difference between GMT and PST? Pacific Time is 8 hours behind GMT in winter and 7 hours behind in summer. Because the UK and US observe daylight saving on different dates, the gap can briefly shift by an extra hour each spring and autumn. Pacific Time uses PST/PDT; the UK uses BST (GMT+1) in summer.
Standard and daylight time in Greenwich Mean Time and Pacific Time
Strictly, GMT and PST are the winter (standard) names. In summer the zones use daylight time names such as GMT and PDT. People often say "GMT" all year, so this page converts using the real rules for each date: UTC and America/Los_Angeles in the IANA time zone database.
Frequently asked questions
Does daylight saving change the GMT to PST difference?
Because the UK and US observe daylight saving on different dates, the gap can briefly shift by an extra hour each spring and autumn. Pacific Time uses PST/PDT; the UK uses BST (GMT+1) in summer.
Which time zone database is used?
Your browser's built-in copy of the IANA time zone database, which is updated with browser releases.
More time zones
See all- Time Zone ConverterConvert any time between any two zones.
- CST to ESTCentral Time to Eastern Time, with DST handled.
- EST to PSTEastern Time to Pacific Time, with DST handled.
- EST to CSTEastern Time to Central Time, with DST handled.
- PST to CSTPacific Time to Central Time, with DST handled.
- UTC to ESTCoordinated Universal Time to Eastern Time, with DST handled.
- MST to ESTMountain Time to Eastern Time, with DST handled.
- CST to PSTCentral Time to Pacific Time, with DST handled.