PST to GMT Time Converter
Convert Pacific Time to Greenwich Mean Time instantly.
Scroll the timeline to check any hour of the day.
Pacific Time
PST
1:24
Greenwich Mean Time
GMT
9:24
PST and GMT are on daylight savings right now, shown as PDT and BST.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the PST to GMT time difference works
GMT is 8 hours ahead of PST. Pacific Time (PST) is the time zone of the US West Coast. Greenwich Mean Time (GMT) is the time zone of the United Kingdom and Ireland. For example, 9:00 AM PST is 5:00 PM GMT. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
8 hours
Daylight saving
Both observe
PST offset
UTC-8
GMT offset
UTC+0
PST to GMT conversion chart
| Pacific Time (PST) | Greenwich Mean Time (GMT) |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM +1 day |
| 5:00 PM | 1:00 AM +1 day |
| 6:00 PM | 2:00 AM +1 day |
| 7:00 PM | 3:00 AM +1 day |
| 8:00 PM | 4:00 AM +1 day |
| 9:00 PM | 5:00 AM +1 day |
| 10:00 PM | 6:00 AM +1 day |
| 11:00 PM | 7:00 AM +1 day |
Cities in each time zone
Pacific Time (PST)
Los AngelesSan FranciscoSeattleSan DiegoLas VegasPortland
Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
PST to GMT questions
Is GMT ahead of or behind PST?
GMT is 8 hours ahead of PST. So 9:00 AM PST is 5:00 PM GMT, and 5:00 PM PST is 1:00 AM GMT.
What time is it in GMT when it is 12:00 PM PST?
When it is 12:00 PM (noon) PST in Pacific Time, it is 8:00 PM GMT in Greenwich Mean Time.
How many hours difference is there between PST and GMT?
There is a 8 hours difference. Greenwich Mean Time (GMT) runs 8 hours ahead of Pacific Time (PST).
Do PST and GMT observe daylight saving time?
Both Pacific Time and Greenwich Mean Time observe daylight saving time, but they switch on different dates, so the gap briefly shifts by an hour around the spring and autumn changeovers.
What is the best time to schedule a meeting between PST and GMT?
A standard 9-to-5 workday in Pacific Time and Greenwich Mean Time does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use PST and GMT?
Pacific Time (PST) covers cities such as Los Angeles, San Francisco, Seattle, San Diego, Las Vegas, Portland. Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester.