Skip to the time zone converter

Every clock you care about, lined up on one screen.

Drag any city's day band and the rest follow. Plan meetings across continents, do date math that respects daylight saving, or just ask in plain English.

World clock

Add up to 8 places. Slide the day band or type a time in any card to move them all.

Live

Date and time calculators

Add or subtract time from any moment, or measure the exact span between two moments in different zones.

Meeting planner

Add everyone's city and pick a day. Each column is one hour; click a column to see that slot for everyone.

Best: 9am–5pm Good: 7am–9pm Outside hours or night

Time zone directory

Every IANA time zone with its current time and offset. Add any of them to the world clock or the planner.

Ask WorldHourly

Ask a time question the way you'd say it. It reads places, times, dates and meeting lengths, then does the math.

Answers are worked out in your browser. Nothing you type is sent anywhere.

Explore

Time in: New York · London · Paris · Dubai · Mumbai · Singapore · Tokyo · Sydney · Los Angeles · all cities

Convert: New York → London · Los Angeles → New York · London → Mumbai · New York → Tokyo · London → Sydney · New York → Manila

Clock changes: every daylight saving change in the next 12 months

For your site: free clock and converter widgets · Guide: world-time watches and daylight saving