Greenwich Mean Time · UTC+0 → Pacific Standard Time · UTC-8
12:00 PM GMT is
4:00 AM PST
same day
PST is 8 hours behind GMT.
Date & time
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To
Pick a destination city to see the converted time
GMT is always UTC+0. London switches between GMT and BST (UTC+1) during the year. For the clock in London today, use London to PST.
PST is always UTC-8. Los Angeles switches between PST and PDT (UTC-7) during the year. For the clock in Los Angeles today, use Los Angeles to GMT.
Comparing more than two places? The world clock shows every city you care about side by side.