Unix Timestamp Converter — Online Date & Time Tool
Convert between Unix timestamps and human-readable dates in both UTC and local time.
About this tool
Convert Unix timestamps to human-readable dates (UTC and local time) and convert any date-time back to a Unix timestamp in seconds and milliseconds. Supports both seconds and milliseconds input, auto-detection, and a 'Now' button to grab the current timestamp instantly.
scheduleTwo-Way Conversion
Enter a Unix timestamp to see the human-readable date in UTC and local time. Or pick a date from the date-time picker to get the exact Unix timestamp in seconds and milliseconds.
Use 'Now' to instantly grab the current timestamp — perfect for debugging API requests and log timestamps.
Quick Usage Guide
- 1Convert Unix timestamp to human-readable UTC and local date
- 2Convert any date-time picker value to Unix seconds and milliseconds
- 3Auto-detects seconds vs. milliseconds input
- 4'Now' button to insert the current timestamp instantly
- 5Shows UTC time, local time, and ISO 8601 format
- 6100% browser-based — no server round-trips
Frequently Asked Questions
help_outlineWhat is a Unix timestamp?
A Unix timestamp is the number of seconds (or milliseconds) elapsed since January 1, 1970 00:00:00 UTC (the Unix epoch). It is the universal standard for storing and comparing dates in software.
verifiedHow do I tell if my timestamp is in seconds or milliseconds?
Timestamps in seconds are typically 10 digits (e.g. 1700000000). Millisecond timestamps are 13 digits (e.g. 1700000000000). The tool auto-detects based on the magnitude of your input.
quizDoes the tool support timezones?
Yes. The converter shows both UTC time and your browser's local timezone time for every timestamp.
account_balance_walletWhat date formats are shown?
The tool shows a human-readable format (e.g. 22 July 2023, 10:13 AM), ISO 8601 format (e.g. 2023-07-22T10:13:00.000Z), and the UTC and local variants separately.