Why did the time difference change by one hour?

The selected date may fall before or after a daylight-saving change in one of the regions.

Can I convert to UTC?

Yes. Select UTC as the source or destination time zone.

Where do time zone rules come from?

From the time-zone information available to your browser, which is updated with browser and system releases.

Time Zone Converter

Convert a date and time between time zones and compare the local time in several regions.

Files and content are processed locally in your browser and are not uploaded to our server.

About this tool

Choose a date, time, and source time zone, then view the corresponding time in other regions. Daylight-saving changes are applied automatically according to the selected date and the information available to the browser.

How to use

Convert a date and time between time zones
Compare several destination zones
Show the UTC offset
Account for daylight-saving changes
Copy the converted results
Enter the date and time: Choose the local date and time to convert.
Choose the source zone: Select the time zone in which the entered time occurs.
Add destination zones: View the corresponding date and time in other locations.

Examples

Arrange a meeting between different countries
Check an event time while travelling
Compare office hours in several regions
Review a scheduled time near a daylight-saving change

Limitations

Historical time-zone rules may vary slightly depending on the browser and operating system
The available time zones depend on browser support
The entered values and calculations are processed directly in your browser and are not sent to a server.

FAQ

Why did the time difference change by one hour?: The selected date may fall before or after a daylight-saving change in one of the regions.
Can I convert to UTC?: Yes. Select UTC as the source or destination time zone.
Where do time zone rules come from?: From the time-zone information available to your browser, which is updated with browser and system releases.