World Time & Time Zones

Time Zone ConverterAny zone to many zones, with a time scrubber. World ClockLive clocks for the cities you care about. UTC Time NowLive UTC clock, ISO 8601, Unix time. Zulu Time ConverterLocal ↔ Zulu (UTC), military letters. How Many Time Zones?24 in theory, about 38 in practice. Daylight Saving TimeWhen clocks change, plus your countdown.

EST to PSTEastern to Pacific: always 3 hours. EST to GMTNew York to London, usually 5 hours. EST to ISTNew York to India: 9:30 or 10:30 ahead. CST to ESTCentral to Eastern: 1 hour ahead. PST to CSTPacific to Central: 2 hours ahead. CST to PSTCentral to Pacific: 2 hours behind. MST to ESTMountain to Eastern, incl. Arizona. GMT to ISTLondon to India: 4:30 or 5:30 ahead. GMT to PSTLondon to California, usually 8 hours. IST to CSTIndia to US Central: 10:30 or 11:30.

UTC to ESTUTC−5 in winter, UTC−4 in summer. UTC to PSTUTC−8 in winter, UTC−7 in summer. UTC to CSTUTC−6 in winter, UTC−5 in summer. UTC to ISTIndia is UTC+5:30, all year.