UNIX Time Converter

Convert between UNIX timestamp (seconds or milliseconds) and human‑readable date/time. View values in UTC, Local, and a selected time zone. Pure client-side.

Now (epoch)
Now (local)
This dropdown only affects how results are formatted; inputs are interpreted as noted below.

A) Timestamp → Date

Local
UTC
Selected TZ
ISO 8601 (UTC)
RFC 2822 (UTC)

B) Date → Timestamp

Epoch (seconds)
Epoch (ms)
ISO 8601 (UTC)
Note: Inputs in section B are parsed as local time by default. Enable “Interpret as UTC” to treat them as UTC. The time‑zone selector only changes how outputs are displayed.