Free and open-source Persian Calendar with Compass/Qibla and Athan and Afghanistan holidays Dari Kurdish Arabic and Pashto support. Supports Gregorian and Islamic calendars support also.

Works with TalkBack accessibility feature of Android also.

https://github.com/ebraminio/DroidPersianCalendar

Please note that permanent date notification bar can be easily disabled from preference. Also it has a DashClock extension and optional Athan player.