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Instantly convert a Unix timestamp into a readable date and time, or perform the reverse conversion directly in your browser.
Convert a readable date to a Unix timestamp, or turn a timestamp into local and UTC dates.
Your data stays on your device and is never sent to our servers.
Generate, convert, or validate technical data with purpose-built controls.
Technical formats and syntaxes suited to each generator, converter, or validator.
Get a clean, ready-to-use result in seconds without installing software or configuring a complex workflow.
Guide
Specify whether you start from a date or timestamp.
Add the date or number to convert.
Compare seconds, milliseconds, local time and UTC.
A millisecond timestamp usually has three more digits than a Unix timestamp in seconds.
No. Processing happens locally in your browser.
Yes. The tool is free and requires no account.
Understand common date formats, avoid international ambiguity and learn when to use local dates, ISO 8601 or Unix timestamps.
Date differences, durations, business days, ISO weeks, recurrences and formats: choose the right date and time calculation.
Convert times between countries, understand daylight saving time and find international meeting slots without mental arithmetic.
Understand ISO 8601 week numbers, Unix timestamps in seconds or milliseconds, and the difference between human-readable dates and technical time values.
Recommended workflow
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