GPS Time Converter

Convert GPS seconds, GPS week number, seconds of week, Unix time, ISO 8601, and UTC with historical leap-second corrections.

Supported conversions

• Date/time to GPS seconds, GPS week, and seconds of week.
• GPS seconds to UTC, ISO 8601, Unix seconds, and fixed-offset time zones.
• Auto-detect for GPS week plus SOW, Unix seconds, Unix milliseconds, ISO 8601, and YYYY-MM-DD HH:MM:SS timezone strings.
• Live GPS time reference with day and hour offsets.

GPS time facts

GPS time starts at 1980-01-06 00:00:00 UTC and does not insert UTC leap seconds. The app applies the historical UTC/GPS leap-second table and displays the true unrolled GPS week number.