24-Hour Time Calculator
No more 25:00—true clock math
$2.99 · Designed for iPad. Not verified for macOS.
Quickly add, subtract, or score 24-hour (military) time. Designed for pilots, dispatchers, and anyone who needs precise time calculations.
24-Hour Time Calculator makes adding, subtracting, and scoring 24-hour (military) time fast and effortless.
Whether you're a pilot, dispatcher, shift worker, or anyone managing schedules and logs, this app is designed for you. Enter start and end times, calculate time differences, or quickly solve 24-hour time math for any need.
Key Features:
• Instantly add or subtract 24-hour (military) time
• Quickly calculate time differences for shifts, schedules, or logs
• Persistent Time: Easily save and reuse a constant value - no more retyping the same number again and again
• Automatic Clock Wrapping: Results always stay within 24-hour format - no more confusing answers like "25:00"
• Simple, modern interface - no clutter, no ads
• Designed for aviation, logistics, transportation, shift work, and anyone who needs accurate time math
• Works great with typical flight plan and scheduling formats
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How It Works:
1. Enter your starting time.
(Example: "13:15" for 1:15 PM.)
2. Add or subtract the desired value.
(Example: add "2:50" to get "16:05".)
3. Use the persistent time feature to save a commonly used number (like an offset or fixed block time), so you never have to re-enter it.
4. All results are automatically wrapped to the 24-hour clock - no more odd answers like "25:00".
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Stop struggling with mental math or spreadsheets - 24-Hour Time Calculator helps you get the job done with confidence, every time.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Richard Montoya, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Richard Montoya
- Size
- 519.2 KB
- Category
- Productivity
- Compatibility
Requires iOS 18.5 or later.
- iPhone
Requires iOS 18.5 or later. - iPad
Requires iPadOS 18.5 or later. - Mac
Requires macOS 15.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.5 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- Copyright © 2025 Richard Montoya. All rights reserved.
