Timestamp Converter
Convert Unix timestamps to readable dates (and back) across seconds, milliseconds, microseconds, and nanoseconds with local or UTC output.
Timestamp to date
Paste a Unix timestamp in seconds, milliseconds, microseconds, or nanoseconds.
Detects seconds, milliseconds, microseconds, or nanoseconds based on the length of the number.
Local time
Monday, December 29, 2025 at 3:43:20 AM UTC
UTC time
Monday, December 29, 2025 at 3:43:20 AM UTC
ISO 8601
2025-12-29T03:43:20.000Z
RFC 2822
Mon, 29 Dec 2025 03:43:20 GMT
Unix timestamp (seconds)
1766979800
Unix timestamp (milliseconds)
1766979800000
Unix timestamp (microseconds)
1766979800000000
Unix timestamp (nanoseconds)
1766979800000000000
Date to timestamp
We will interpret this using local timezone.
Parse and display using your browser timezone.
ISO 8601
2025-12-29T03:43:20.000Z
Local time
Monday, December 29, 2025 at 3:43:20 AM UTC
UTC time
Monday, December 29, 2025 at 3:43:20 AM UTC
Unix timestamp (seconds)
1766979800
Unix timestamp (milliseconds)
1766979800000
Unix timestamp (microseconds)
1766979800000000
Unix timestamp (nanoseconds)
1766979800000000000
Unix timestamps are always stored in UTC. Switching between local time and UTC changes how the input is parsed, not the underlying moment in time.
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