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Timezone Converter
Convert a date and time to a different timezone.
Overview
- Converts a specified date and time from one timezone to another.
- Correctly accounts for daylight saving time (DST) periods, so it handles cases that a simple time-difference calculation cannot.
- Supports UTC and 18 major cities and regions.
Usage
- Enter the date and time you want to convert.
- Select the source timezone and the target timezone.
- Click the "Convert" button to see the date and time in the target timezone along with its UTC offset.
Example
Input
Date and time: 2024-01-01 09:00:00 / From: Tokyo (Asia/Tokyo) / To: UTC
Output
2024-01-01 00:00:00 (GMT+00:00)
Use Cases
- Checking an online meeting time with an overseas office in both parties' timezones
- Converting a server log timestamp (UTC) into the time in your own region to check it
- Converting a planned release time for an international service into multiple regional times to announce it
FAQ
Is daylight saving time (DST) taken into account?
Yes. The conversion correctly accounts for whether the specified date and time falls within a daylight saving period.
Which timezones are supported?
UTC and 18 major cities and regions (such as Tokyo, London, and New York) are supported.
Is the date and time I enter sent anywhere?
No. All conversion happens entirely in your browser.
Notes
- Whether daylight saving time (DST) applies is automatically determined based on whether the entered date and time falls within that period.
- Supported timezones are limited to UTC and 18 major cities and regions. If you need a different region, select the nearest major city instead.
- The conversion result exists only on the page and is lost on reload, so copy any value you need right away.
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