Open the Time Zone Converter
Convert a time between time zones and compare several cities at once. Handles daylight saving automatically.
- Free to use
- No signup
- Nothing to install
- Runs in your browser

A real example, step by step
Real data entered into the Time Zone Converter, one screenshot per step. Nothing is mocked up.
Open the tool
The Time Zone Converter opens ready to use, nothing to install or sign up for.

Enter your data
Type or paste your input.

Press Add
The Time Zone Converter shows the result straight away, below the same form.

What is the Time Zone Converter?
Scheduling across countries is confusing. Choose a date and time in one place and see the equivalent time in any number of cities, with daylight saving time handled automatically.
Add the cities your team works in to build a quick world clock, and use it to find a meeting time that works for everyone.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
Compare as many cities as you like.
Uses your browser's time zone database.
Correct for future and past dates.
Starts from your own time zone.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
Used for
Pick one to see how it fits.
How it compares
A plain look at this tool next to the usual alternative.
| This calculator | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
| Where it runs | In your browser tab | On your computer |
Questions people ask
How do I convert EST to PST?
PST is three hours behind EST. Enter the time and choose both zones.
Does it handle daylight saving?
Yes. It applies the correct offset for the date you choose.
What is UTC?
Coordinated Universal Time, the global time standard that has no daylight saving.
Can I plan a meeting across zones?
Yes. Add every attendee's city and choose a time that is reasonable for all.
Does it handle daylight saving time?
Yes, it uses the official time-zone database for the date you choose.
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