CalendarCalc represents a significant leap forward in digital time management and chronological calculation tools, offering a refined and powerful user experience directly on your Windows desktop. Designed to bridge the gaps left by traditional calendar applications, this utility focuses specifically on the mathematics of time, allowing you to instantly solve any query related to durations, intervals, and international holiday occurrences. With an advanced calculation engine and a fluid cross-platform interface, the app enables you to determine with surgical precision the exact number of years, months, weeks, and days between any two dates, eliminating the risk of human error in manual calculations. Beyond calculating time differences, the app features a versatile date projection function that allows you to add or subtract specific time periods to immediately identify future deadlines or past events, an indispensable tool for project management, legal term calculations, or retireme

Features

  • Date to Date calculation to find the exact duration between two specific days
  • Add or Subtract days, months, and years to determine a future or past date
  • Integrated database with official public holidays for over 40 countries
  • Automatic detection of local regional settings and holiday calendars
  • Monthly holiday overview to browse upcoming bank holidays and celebrations
  • Cross-platform compatibility for Windows, Linux, macOS, and Android
  • Native Dark Mode support for reduced eye strain and modern aesthetics
  • Local storage of settings and preferences for enhanced user privacy
  • Customizable work-week configurations and regional date formats
  • User-friendly navigation drawer for quick access to all calculation tools
  • Modern UI built with the Flet framework for a fluid and responsive experience
  • Direct access to project repository and developer resources for open-source transparency

Project Samples

Project Activity

See All Activity >

Categories

Date Calculators

License

GNU General Public License version 3.0 (GPLv3)

Follow Calendar Calc v2.0

Calendar Calc v2.0 Web Site

Other Useful Business Software
MongoDB Atlas runs apps anywhere Icon
MongoDB Atlas runs apps anywhere

Deploy in 115+ regions with the modern database for every enterprise.

MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
Start Free
Rate This Project
Login To Rate This Project

User Reviews

Be the first to post a review of Calendar Calc v2.0!

Additional Project Details

Operating Systems

Android, Linux, Windows

Intended Audience

End Users/Desktop

User Interface

Android

Programming Language

Python

Related Categories

Python Date Calculators

Registered

2026-03-08