Seattle to GMT Time Converter
Convert Seattle to Greenwich Mean Time instantly.
Scroll the timeline to check any hour of the day.
Seattle
PST
11:06
Greenwich Mean Time
GMT
6:06
Seattle is on daylight savings (PDT) right now, while GMT stays at UTC+0 all year.
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How the Seattle to GMT time difference works
GMT is 7 hours ahead of Seattle. Seattle (PST) is a city in United States. Greenwich Mean Time (GMT) is the fixed UTC+0 reference time, used by the United Kingdom and Ireland in winter. For example, 9:00 AM Seattle is 4:00 PM GMT. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
7 hours
Daylight saving
Seattle only
Seattle offset
UTC-8
GMT offset
UTC+0
Seattle to GMT conversion chart
| Seattle (PST) | Greenwich Mean Time (GMT) |
|---|---|
| 12:00 AM | 7:00 AM |
| 1:00 AM | 8:00 AM |
| 2:00 AM | 9:00 AM |
| 3:00 AM | 10:00 AM |
| 4:00 AM | 11:00 AM |
| 5:00 AM | 12:00 PM |
| 6:00 AM | 1:00 PM |
| 7:00 AM | 2:00 PM |
| 8:00 AM | 3:00 PM |
| 9:00 AM | 4:00 PM |
| 10:00 AM | 5:00 PM |
| 11:00 AM | 6:00 PM |
| 12:00 PM | 7:00 PM |
| 1:00 PM | 8:00 PM |
| 2:00 PM | 9:00 PM |
| 3:00 PM | 10:00 PM |
| 4:00 PM | 11:00 PM |
| 5:00 PM | 12:00 AM +1 day |
| 6:00 PM | 1:00 AM +1 day |
| 7:00 PM | 2:00 AM +1 day |
| 8:00 PM | 3:00 AM +1 day |
| 9:00 PM | 4:00 AM +1 day |
| 10:00 PM | 5:00 AM +1 day |
| 11:00 PM | 6:00 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 10:00 AM Seattle (4:00 PM to 5:00 PM GMT). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Seattle (PST)
San FranciscoSanta BarbaraSan DiegoSacramentoFresnoBakersfield
Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
Seattle to GMT questions
Is GMT ahead of or behind Seattle?
GMT is 7 hours ahead of Seattle. So 9:00 AM Seattle is 4:00 PM GMT, and 5:00 PM Seattle is 12:00 AM GMT.
What time is it in GMT when it is 12:00 PM Seattle?
When it is 12:00 PM (noon) Seattle in Seattle, it is 7:00 PM GMT in Greenwich Mean Time.
How many hours difference is there between Seattle and GMT?
There is a 7 hours difference. Greenwich Mean Time (GMT) runs 7 hours ahead of Seattle (PST).
Do Seattle and GMT observe daylight saving time?
Seattle observes daylight saving time but Greenwich Mean Time does not, so the difference between them changes by an hour twice a year. The United Kingdom and Ireland use GMT only in winter; from late March to late October they switch to British Summer Time (BST), one hour ahead of GMT.
What is the best time to schedule a meeting between Seattle and GMT?
A standard 9-to-5 workday overlaps from 9:00 AM to 10:00 AM Seattle (4:00 PM to 5:00 PM GMT). Scheduling inside that window keeps the call during business hours in both Seattle and Greenwich Mean Time.
Which cities use Seattle and GMT?
Seattle (PST) covers cities such as San Francisco, Santa Barbara, San Diego, Sacramento, Fresno, Bakersfield. Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester.