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Timestamp Converter
Convert between different timestamp formats: Unix, ISO 8601, UTC, and locale formats. Parse and format dates easily.
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Timestamp Input
Enter a timestamp in your preferred format
Format Examples
Timestamp Formats
Understanding different timestamp representations
Unix Timestamp
Number of seconds/milliseconds since January 1, 1970 UTC.
1704067200 (seconds)
1704067200000 (milliseconds)
1704067200000 (milliseconds)
ISO 8601
International standard format with timezone information.
2023-12-25T00:00:00.000Z
UTC String
Human-readable UTC format (RFC 2822 style).
Mon, 25 Dec 2023 00:00:00 GMT
Locale String
Localized format based on user's system settings.
12/25/2023, 12:00:00 AM
Frequently Asked Questions
What is a Unix timestamp?
A Unix timestamp is the number of seconds (or milliseconds) that have elapsed since January 1, 1970 UTC, excluding leap seconds.
What's the difference between Unix seconds and milliseconds?
Unix seconds are the standard format (10 digits), while milliseconds are the same value multiplied by 1000 (13 digits).
What is ISO 8601 format?
ISO 8601 is an international standard for date and time representation, like '2023-12-25T15:30:00.000Z'.