Date.Time Calculator 4+


Designed for iPhone

    • $0.99

iPhone Screenshots


You can quickly calculate Date / Time Point and Time Interval and unit conversion of time with a pure calculator feeling.

The Date.Time Calculator supports the following calculations.
- Arithmetical operations of numerical values ​​(integer and decimal)
- Arithmetic operations of numerical values ​​and Time Interval
- Operations between Time Interval (addition, subtraction, division)
- Operations of Time Interval and Time Point (addition, subtraction)
- Time Point operation (difference)
- Unit conversion of time
- Interconversion with POSIX Time
- Mutual conversion of time zones

Date.Time Calculator is useful for the following applications.
- What is the date 100 days after today?
- What is the date and time before 32768 seconds from now?
- When it is 1 minute 32.6 seconds per lap, what is the necessary time at 62 laps?
- Furthermore, the time after 62 laps?
- What is the number of days since January 23 this year?
- How many days is 100000 seconds?
- What is the date and time indicated by 1234567890 seconds at POSIX Time?
- What seconds is it now to express with POSIX Time?

Also, it can be utilized variously depending on ingenuity.

What’s New

Version 1.3.9

Date.Time Calculator 1.3.9 includes the following improvements and updates:
- Fixed button layout issues.
- Updated to support and optimize for the latest SDK.
- Minimum required iOS version has been changed to 11.0.

App Privacy

The developer, Noriaki HASHIBA, 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.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

More By This Developer

You Might Also Like

My Physics Calculator
Night Eyes - Low Light Camera
Teleprompter Controller
The Best Calculator - Calc Pro