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Convert between time zone codes

PST to EST, UTC to CST, MST to PST and the rest, each with a live converter and a full-day table. Updated for 2026: BC, Alberta and Manitoba no longer match the codes they used to, so for a specific city use the time zone converter.

Across North America

PST to EST3 hours aheadEST to PST3 hours behindPST to CST2 hours aheadCST to PST2 hours behindPST to MST1 hour aheadMST to PST1 hour behindMST to EST2 hours aheadEST to MST2 hours behindCST to EST1 hour aheadEST to CST1 hour behindMST to CST1 hour aheadCST to MST1 hour behindAST to EST1 hour behindEST to AST1 hour aheadNST to EST1 hour 30 minutes behindAKST to PST1 hour aheadHST to PST2 hours ahead in winter, 3 hours in summer

UTC and GMT

UTC to PST8 hours behind in winter, 7 hours in summerPST to UTC8 hours ahead in winter, 7 hours in summerUTC to EST5 hours behind in winter, 4 hours in summerEST to UTC5 hours ahead in winter, 4 hours in summerUTC to CST6 hours behind in winter, 5 hours in summerCST to UTC6 hours ahead in winter, 5 hours in summerUTC to MST7 hours behind in winter, 6 hours in summerMST to UTC7 hours ahead in winter, 6 hours in summerGMT to EST5 hours behind in winter, 4 hours in summerEST to GMT5 hours ahead in winter, 4 hours in summerGMT to PST8 hours behind in winter, 7 hours in summerPST to GMT8 hours ahead in winter, 7 hours in summer