Time zone converter
Time zone converter lets you compare one instant across multiple IANA time zones in your browser.
Unix time converter
Unix time converter lets you convert explicit epoch seconds or milliseconds to UTC and IANA time in your browser.
Unix time converter
⌂ Inputs and results stay in this browser and are not automatically stored or sent.
Waiting for input
Input
Output
Waiting for input
Complete text result
How to use
Enter the Unix value and explicitly choose seconds or milliseconds from the source specification, not just its digit count. Select an IANA time zone.
Compare UTC and local representations of the same instant. If the date unexpectedly lands near 1970, first recheck the seconds/milliseconds setting.
Examples
0Principles and limits
Each input is limited to 1,048,576 bytes, output to 33,554,432 bytes, and processing to 5,000 ms. Input is never silently truncated.
Guides
Related tools
Date and time difference
Date and time difference lets you calculate elapsed milliseconds, seconds, and duration between instants in your browser.