Time Zone Converter: Any Time, Any Two Places

Time

Date

In London

2:00 pmGMT

9:00 am EST on Wed 14 Jan 2026 is 2:00 pm GMT the same day. London is 5 h ahead of New York.

New York (EST)0 · 6 · 12 · 18

London (GMT)

9 am–5 pmBoth at work: 3 h

Date there: Wednesday 14 January 2026
Offsets: EST UTC−5 · GMT UTC+0
Date used: Example day: Wednesday 14 January 2026

Online timerSet a timer for any number of minutes, or count down to a date in any time zone.Pomodoro timerFocus rounds for the hours your time zones overlap.Age calculatorExact age in years, months and days from a date of birth.

Method2 sourcesChecked against 10 worked examplesUpdated Oct 2026

How this works

Method

Your time is turned into a single moment using the first place’s offset from UTC on the date you pick, and the clock in the second place is read at that same moment, so the date can roll over and daylight saving is the one in force that day. Offsets come from the IANA tz database: the worked examples and tables use a fixed copy, and the live clocks use the copy in your browser.

Sources

How it’s tested

10 worked examples for this page are checked by automated tests before every release: given the inputs, the tool must show the expected answer.

Privacy

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Changes

10 Oct 2026 15 more conversion pages (IST to CST, BST to IST, SGT, GST, JST, MST and more); each conversion page shows all 24 hours with working hours shaded, and its best meeting times.
9 Oct 2026 The pickers find about a thousand more cities, states and countries (Seattle, Bangalore, Texas), and each conversion page names the next clock change on either side.
8 Oct 2026 The converter opens on the time now, live, with a Now choice beside the time, and the main converter starts from your own time zone.
8 Oct 2026 First published, with a world clock, pages for the time in 31 places and 15 common conversions such as PST to IST.

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How the conversion works

Every place keeps its clocks at an offset from Coordinated Universal Time (UTC), and many change that offset for part of the year. The converter turns your time into a single moment using the first place’s offset on that date, then reads the clock in the second place at the same moment, so the date can roll over and daylight saving is always the one in force that day.

The offsets come from the IANA tz database, the public record of every region’s clock rules that phones and computers use. The worked examples and tables on these pages use version 2026c; the live clocks use the copy in your browser.

All 62 time zone pages

World clock · Conversions · Time in a city

World clock

World Clock

Conversions

Time in a city

Frequently Asked Questions

How does the converter handle daylight saving time?

It works out the offset of each place on the date you pick, from the IANA tz database your browser carries, so a 9:00 am meeting in July uses summer time and one in January uses winter time. The hour skipped when clocks go forward is read with the offset from before the change.

Why do the converter’s answers change when I pick another date?

Because many places move their clocks for part of the year, and not on the same dates. New York and London change on different Sundays in March and in late October or early November, so for a few weeks they are 4 hours apart instead of 5.

Can I convert to more than one place at once?

Yes. The converter shows a few other cities at the same moment beside the answer, and the world clock shows any list of cities you choose, live, with a link that keeps your list.

Is EST the same as Eastern Time?

Not quite. EST is Eastern Standard Time, UTC−5, used in winter; in summer the same clocks show EDT, UTC−4. People often say EST all year, so these pages convert from what clocks in New York actually show on your date.

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