OctaSapien

Timestamp Converter

More actions

Input

Integers with an absolute value up to 9,999,999,999 are Unix seconds; from 1,000,000,000,000, they are Unix milliseconds.

Output

Ready24 bytesUTF-8

Status

Ready

Input size

10 bytes

Output size

24 bytes

Detected mode

UNIX to date

Format

ISO 8601

Ready
Found something we could improve?
Practical usage guide

Practical usage guide

A practical workflow for Timestamp Converter

Convert Unix seconds or milliseconds to ISO UTC, or ISO timestamps with Z or an offset to Unix seconds.

1. Prepare

Enter a Unix timestamp or ISO date with Z or an explicit offset. Example: 1704067200 corresponds to 2024-01-01T00:00:00.000Z.

2. Review

Check detected seconds or milliseconds and the UTC result. Units are distinguished by magnitude; ambiguous values are rejected without assuming a local timezone.

3. Apply

Keep the source unit and timezone with the result. Wrong original units or offsets can still produce the wrong business date.

Verification before operational use

  • Use a representative case with the inputs needed to reproduce it.
  • Confirm the result in the authorized target environment when runtime versions, namespaces, extensions, permissions or system configuration can change the outcome.
  • Record the source, assumptions, tool settings and expected result so another reviewer can reproduce the check and distinguish verified facts from recommendations.