UTC to GPS Time Converter | Unix Timestamp to GPS Week & Seconds

Online UTC to GPS time converter tool, supports Unix timestamp and datetime to GPS week number and time-of-week seconds, with leap second offset calculation.

📡 Related Conversion Tools

🕐 UTC Time Input

Supported Formats:
  • Unix timestamp (seconds): 1704067200
  • Unix timestamp (milliseconds): 1704067200000
  • Date: 2024-01-01
  • Date time: 2024-01-01 12:00:00
Current Display:
UTC: --
Local: --

🛰️ GPS Time Conversion Result

📊 GPS Basic Information
GPS Week:
Time of Week Seconds:
Z Count:
Time Format
TOW (Decimal):
TOW (HH:MM:SS):
Day of Year:
🔬 Scientific Format
Modified Julian Day:
ISO Format:
Leap Second Offset:
📅 Time Comparison
UTC:
GPS Time:
💡 GPS time is 18 seconds ahead of UTC time (as of 2024)

📖 UTC to GPS Time Usage Guide

🎯 Main Purpose

  • GPS device development and testing
  • Satellite navigation data processing
  • GNSS receiver time synchronization
  • Surveying engineering time unification
  • Aerospace time planning

Function Features

  • Support multiple UTC time input formats
  • Automatic leap second offset calculation
  • Provide GPS week number and time-of-week seconds
  • Include complete time format output
  • One-click copy conversion results

🔧 Technical Specifications

  • GPS epoch time: January 6, 1980
  • GPS time does not consider leap seconds
  • 604800 seconds per week (7×24×3600)
  • Z count unit is 1.5 seconds
  • Support millisecond precision calculation

🌟 Usage Tips

  • Can directly paste Unix timestamp
  • Support automatic datetime recognition
  • Results can be directly used for GPS devices
  • Suitable for batch data processing
  • Mobile-friendly operation
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