World Clock & Time Zone Converter
Guide: The Pomodoro Technique: How to Focus in 25-Minute Sprints
Nothing you enter or choose here leaves your device. This tool runs in your browser.
How to use
- 1Add the places you care about.
- 2Switch to Convert a time and enter a date, time and place.
- 3Read the matching time everywhere.
Frequently asked questions
Does it handle daylight saving?
Yes. It uses your browser's built-in time zone data, so changes are included.
How do I add a place?
Type a zone such as Africa/Lagos in the box, or tap one of the quick buttons.
Are my places saved?
They are saved on this device only.
Can I plan a meeting?
Yes. Use Convert a time and enter the start in your own zone.
Is my data sent anywhere?
No. Everything runs in your browser and nothing is sent to us.
Read the guides
Learn how this works and how to get the most from it.
Money, health & time
The Pomodoro Technique: How to Focus in 25-Minute Sprints
How the Pomodoro Technique works, the exact steps, how to adjust the timings, and what to do when interruptions get in the way.
2 min read
Money, health & time
Time Zones, UTC and Daylight Saving: A Practical Guide
Why time zones cause bugs and missed meetings, what UTC is, how daylight saving shifts things, and rules for working across zones.
2 min read
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