Since

A notebook contains the dates of the Islamic and Christian events and holidays in the Hijri and Gregorian calendars, with the possibility of adding a special dates like birthdays..
Due to the difference between the Hijri calendar and the Gregorian calendar, events are automatically updated throughout the year
The calendar calculates the remaining time for events and shows them on the screen in three different clock styles
Digital system clock
Binary system clock
Analog Clock

Of the Holidays that you will find in the program there are

Islamic Holidays and Events
- Ramadan
- Eid Al-Fitr
- Eid al-Adha
- The birthday of the Prophet
- Israa and meraaj
- Ashuraa
- and other occasions..

Christian holidays and events such as
- Christmas (Birth of Jesus)
- Easter Holiday
- Feast of the Annunciation
- Advent
And others

there are more other features will be found in the app like
Age calculator
Date converter between Hijri and Gregorian

note The program supports three different languages
Arabic, English and Turkish
For first boot The language of the program is automatically determined by the language of the operating system, you can change it later inside the app