Unix Time Converter

Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds with automatic detection.

Current Unix Time: 0 (UTC)

Input

Unix Timestamp
Date & Time
Timezone

About Unix Time

Unix time (also known as POSIX time or Epoch time) is a system for describing points in time, defined as the number of seconds that have elapsed since 00:00:00 UTC on January 1, 1970 (the Unix epoch), not counting leap seconds.

Quick Reference

Time UnitSeconds
1 minute60
1 hour3,600
1 day86,400
1 week604,800
1 year (365 days)31,536,000

Features

  • Auto-detects seconds vs milliseconds based on timestamp magnitude
  • Supports multiple timezone conversions
  • Shows relative time (e.g., "3 days ago")
  • Multiple output formats: ISO 8601, RFC 2822, and locale-specific
  • Client-side processing - your data never leaves your browser