UNIX Timestamp Converter

Convert Unix seconds/millis and date/time with local, UTC, and IANA time zones.

Keep the current time visible in analog + digital while you convert.

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Highlights

How to use

  1. Enter Unix seconds, Unix millis, or a datetime-local value.
  2. Pick how to interpret datetime-local (local/UTC/IANA).
  3. Copy the outputs you need or share the URL.

UNIX Timestamp Converter

Convert between Unix seconds/millis and date/time (Local/UTC/Any TZ).

Now
Display settings
Time format
Show seconds
Show analog numbers
Input
Time zone interpretation

datetime-local does not include a time zone. Choose how to interpret it.

Output
Local
UTC
Selected TZ
ISO 8601 (UTC)
Unix seconds
Unix millis
Relative

Inputs stay in this browser and are not sent anywhere.

FAQ

How is datetime-local interpreted?

datetime-local has no time zone. Choose local, UTC, or an IANA time zone to interpret the input.

What does the share URL include?

Share URLs include the input value and your display settings.

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