ISO 8601 Date Converter
Convert between ISO 8601, Unix timestamps, and local date/time instantly. Runs entirely in your browser — no data leaves your device.
Recognizes ISO 8601 strings, Unix timestamps (seconds/ms), or 'YYYY-MM-DD HH:mm:ss'. If no offset is given, it's interpreted using the timezone selected below.
ISO 8601 (UTC)
ISO 8601 (selected offset)
Unix timestamp (seconds)
Unix timestamp (milliseconds)
Day of week
Human-readable
Working…
0.0
It hasn't frozen — the result will appear when the calculation finishes.