fCalendar is a feature-rich desktop calendar that allows users to write notes, set reminders, and convert dates between different calendar systems. Developed by Farzad Rashvand, this utility and tools program is designed for iPhone users.

With fCalendar, users can easily convert dates from the Persian Calendar to the Gregorian calendar and Hijri Calendar, and vice versa. This makes it convenient for users to find the corresponding dates in different calendar systems. For example, users can find the weekday of their birthday and see it in other calendars.

The program boasts a beautiful interface that is easy to navigate. Users can add, edit, and delete notes effortlessly. Additionally, fCalendar allows users to add daily, weekly, monthly, yearly, and static notes, making it versatile for various types of reminders and events.

One of the key features of fCalendar is the ability to find weekdays for any given date. This is particularly useful for planning and scheduling. Users can also jump between years, months, and days with ease, making it convenient to navigate through the calendar.

Overall, fCalendar is a user-friendly desktop calendar that offers a range of features for note-taking, date conversion, and scheduling. Its beautiful interface and intuitive design make it a valuable tool for iPhone users seeking an efficient and versatile calendar app.