GPSTime
GPS and UTC Time converter
About
This tool converts between GPS Time and UTC, supporting various formats like GPS Week, Gregorian calendar, and Modified Julian Date. It accurately handles leap seconds and saves conversion history for GNSS professionals, researchers, and students.
What's New in GPSTime
1.0.1
September 15, 2025
[New updates] - Enabled Liquid Glass tab buttons for iOS 26 (or later) users - Enabled Pull-to-Refresh in Convert tab - Enabled conversion from Blank Fields (e.g. when user press the 'x' button on the input fields) - Automatically scroll-down to the result after user press "Convert" button
MoreFAQ
What time formats does GPSTime support?
GPSTime supports GPS Week + Time of Week (TOW), GPS Week + Day of Week (DOW), Gregorian calendar (YYYY-MM-DD HH:MM:SS), Year + Day of Year (DOY), and Modified Julian Date (MJD).
Does GPSTime handle leap seconds correctly?
Yes, GPSTime is designed to accurately handle leap seconds, ensuring correct GPS–UTC offset for past and present times using historical leap-second data.
Can I save my conversion history in GPSTime?
Yes, GPSTime allows you to save your conversion history, with up to 200 logs available in the History tab.
What devices is GPSTime available on?
GPSTime is available on Mac, iPhone, and iPad devices.
How often is GPSTime updated?
The latest version, 1.0.1, was released on 2025-09-15, indicating recent development and support.
What is the age rating for GPSTime?
GPSTime has an age rating of 4+, making it suitable for a wide range of users.
Can I configure default conversion settings in GPSTime?
Yes, GPSTime lets you configure default conversion scenarios to match your most frequently used time system and format for efficiency.
Does GPSTime have ads?
No, GPSTime does not contain advertisements.
