Time zone converters
Convert any moment between UTC and the world's busiest time zones, with daylight-saving handled for you.
UTC — Coordinated Universal Time
UTC is the global time standard that every other zone is offset from; it never observes daylight saving and is the basis of Unix time.
IST — India Standard Time
IST is UTC+05:30 year-round — one of the few half-hour offsets — and does not observe daylight saving.
ET — Eastern Time
US Eastern Time is UTC−05:00 in winter (EST) and UTC−04:00 in summer (EDT) due to daylight saving.
PT — Pacific Time
US Pacific Time shifts between UTC−08:00 (PST) and UTC−07:00 (PDT) across the year.
GMT/BST — Greenwich Mean / British Summer Time
London is UTC+00:00 in winter (GMT) and UTC+01:00 in summer (BST); GMT and UTC coincide but are defined differently.
CET/CEST — Central European Time
Central European Time runs UTC+01:00 in winter and UTC+02:00 (CEST) in summer.
JST — Japan Standard Time
Japan Standard Time is a steady UTC+09:00 with no daylight saving.
AEST/AEDT — Australian Eastern Time
Eastern Australia is UTC+10:00 (AEST) and UTC+11:00 (AEDT) in the southern-hemisphere summer.