JSONTech

Timestamp Converter

Convert between Unix timestamps and human-readable dates

Current time

Unix (seconds)1774643719
Unix (milliseconds)1774643719769

Local: Fri Mar 27 2026 20:35:19 GMT+0000 (Coordinated Universal Time)

Timestamp → date

Enter a Unix value. Values with absolute magnitude ≥ 100,000,000,000 are treated as milliseconds; smaller integers as seconds.

Date → timestamp

Fill local date/time fields, or paste an ISO 8601 string (ISO takes precedence when non-empty).

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Frequently Asked Questions

You can use either. Whole numbers with absolute value below 100,000,000,000 are treated as seconds; larger magnitudes are treated as milliseconds. Outputs always show both seconds and milliseconds.

The numeric year/month/day/hour/minute/second fields are interpreted in your local timezone. ISO strings are parsed according to standard JavaScript Date rules (Z or offsets apply when present).

Now fills the current instant. Start of today sets local midnight for the current day. Start of year sets January 1 at 00:00:00 local time for the current year.

The live clock updates every second so you can copy a fresh Unix timestamp while testing APIs or logs.