Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa with timezone support and multiple format options.

100% client-side No signup Free forever

Current Unix Timestamp

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Unix Timestamp to Date

Local Time
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UTC Time
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Date to Unix Timestamp

Unix Timestamp (seconds)
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Unix Timestamp (milliseconds)
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Quick Reference

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How to Use Timestamp Converter

How to Use the Timestamp Converter

  1. Timestamp to Date: Enter a Unix timestamp (seconds or milliseconds) to see the human-readable date and time.
  2. Date to Timestamp: Select a date and time to get the corresponding Unix timestamp.
  3. Current time: Click "Now" to use the current date/time.
  4. Choose timezone: Select your timezone for accurate local time display.
  5. Copy result: Click copy to copy the converted value.
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Features

  • Convert timestamp to date
  • Convert date to timestamp
  • Seconds and milliseconds support
  • Current timestamp display
  • Multiple timezone support
  • ISO 8601 format output
  • Relative time display
  • Copy with one click
  • Real-time current timestamp
  • Mobile-friendly interface
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About Timestamp Converter

Unix timestamps—seconds since January 1, 1970—are the standard for storing and transmitting dates in programming. Our converter translates these numbers into human-readable dates and converts dates back to timestamps.

Timestamp Formats

  • Unix Seconds: Standard format (e.g., 1699876543)
  • Milliseconds: JavaScript-style (e.g., 1699876543000)
  • ISO 8601: Human-readable standard (2024-01-15T10:30:00Z)
  • Custom Formats: Various date/time display formats

Timezone Handling

Unix timestamps represent UTC (Coordinated Universal Time). Converting to local time requires knowing the target timezone. Our converter shows results in your local timezone while allowing selection of any timezone for accurate global time representation.

Developer Applications

Database records, API responses, and log files often contain raw timestamps. Converting to readable dates aids debugging. Generating timestamps for specific dates is needed for queries and testing. Our tool streamlines these common development tasks.

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Frequently Asked Questions

What is a Unix timestamp?
A Unix timestamp is the number of seconds since January 1, 1970, 00:00:00 UTC (the Unix Epoch). It's a universal way to represent time across systems and programming languages. For example, timestamp 1700000000 = November 14, 2023, 22:13:20 UTC. Our tool converts between timestamps and human-readable dates.
What is the difference between seconds and milliseconds timestamps?
Unix timestamps are traditionally in seconds (10 digits around 2024). JavaScript and many APIs use milliseconds (13 digits) for more precision. Our tool auto-detects which format you've entered and handles both. You can also explicitly choose your input/output format.
How do I handle timezones with timestamps?
Unix timestamps are always UTC - timezone-independent. The same timestamp represents the same moment worldwide. When converting to human-readable dates, you choose the timezone for display. Our tool shows conversions in UTC and your local timezone, with options for any timezone.
What is the Year 2038 problem?
Early systems stored timestamps as signed 32-bit integers, maxing out at 2,147,483,647 (January 19, 2038, 03:14:07 UTC). After that, timestamps overflow and become negative. Modern systems use 64-bit timestamps, solving this for billions of years. Our tool uses 64-bit and handles dates far into the future.
Can I convert dates from different formats?
Yes! Enter dates in various formats: ISO 8601 (2024-01-15T10:30:00Z), US format (01/15/2024), European format (15-01-2024), or natural language ("January 15, 2024 10:30 AM"). The tool recognizes common formats and converts to timestamps and standardized output formats.
How do I calculate the difference between two timestamps?
Enter two timestamps or dates and our tool calculates the difference in seconds, minutes, hours, days, and weeks. This is useful for calculating durations, age calculations, time elapsed, or deadline tracking. You can also add/subtract time from a given date.