10am PST is 5:00 pm GMT
10am PDT is 5:00 pm GMT in Greenwich Mean Time. GMT is 7 hours ahead of PST today, and that gap changes during the year, so this is recomputed rather than assumed.
What time is 10am PST in GMT?
It is 5:00 pm. GMT is 7 hours ahead of Pacific, so you add 7 hours to 10:00 am and the date does not change. 10am is mid morning in Pacific, the busiest stretch of the working morning, while 5:00 pm is evening in GMT, dinner and the end of the working day.
The 12 hour clock reuses every number twice, so 10am and 10pm differ only by the meridiem. Converting 10am PST gives 5:00 pm GMT; converting 10pm PST gives 5:00 am GMT. Losing the am or pm loses half the answer.
10am PST to GMT in the hours either side
The four hours before and after 10am, in case the meeting moves. The whole window stays on the same day in GMT, so only the hour changes.
| PST | GMT | GMT date | Working hours |
|---|---|---|---|
| 6:00 am | 1:00 pm | same day | GMT only |
| 7:00 am | 2:00 pm | same day | GMT only |
| 8:00 am | 3:00 pm | same day | GMT only |
| 9:00 am | 4:00 pm | same day | both sides |
| 10:00 am (this page) | 5:00 pm | same day | PST only |
| 11:00 am | 6:00 pm | same day | PST only |
| 12:00 pm | 7:00 pm | same day | PST only |
| 1:00 pm | 8:00 pm | same day | PST only |
| 2:00 pm | 9:00 pm | same day | PST only |
Is 10am PST a good time to call GMT?
Marginally. 5:00 pm in GMT is outside the 9:00 am to 5:00 pm working day but still a civilised hour, dinner and the end of the working day. Reasonable for something brief, poor for anything that needs a full room.
Does daylight saving change 10am PST to GMT?
Yes. Sampled at 10am on every day of 2026, the gap takes 2 different values. Today it is 7 hours, which is why the answer above is dated rather than fixed.
Pacific Time is currently on PDT and changes next on Sunday, November 1, 2026, when the clock falls back from 1:59 am to 1:00 am and the offset moves from UTC-7 to UTC-8.
Greenwich Mean Time does not move its clocks at all, so its UTC+0 offset holds every day of the year.
10am GMT to PST, the other way round
Running the question the other way is a different conversion, not a mirror image, because the two zones can be in different daylight saving states on the same date. 10am GMT is 3:00 am PST, which is a different reading from the answer above, because the two directions are separate questions. One wrinkle worth knowing: PST and PDT are two names for the same zone, not two zones. Pacific Time reads PST in winter and PDT in summer. When somebody types "pst to gmt" they nearly always mean the zone rather than the literal winter offset, so this page resolves PST to America/Los_Angeles and GMT to Etc/GMT and applies whichever offset is genuinely in force on the day.
Questions
- What is 10am PST in GMT?
- 5:00 pm GMT.
- Does 10am PST cross into another date in GMT?
- No. It stays on the same calendar day, September 24, 2026.
- Is 10am PST always 5pm GMT?
- No. The gap moves during the year, between 7 hours and 8 hours. Today it is 7 hours.
- What is 10am PST in UTC?
- 17:00 UTC, because PST is currently UTC-7.
- Can I call GMT at that hour?
- 5:00 pm is outside the 9 to 5 working day in GMT.
Other hours on this pair
PST to GMT full conversion table · GMT to PST · 10am GMT to PST · All timezone conversions
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