Orthodox Christian Calendar (English) is a free lifestyle app available for Android. Developed by Eir3 Apps, this app provides a comprehensive calendar of feasts and saints, as well as information about fasting and the period of the year, for any day in the past or future. It also offers links to daily readings of the Ohrid Prologue and an online calendar.

With a user-friendly interface, the app allows users to easily navigate to any specific day, whether it's in the past or future, based on a date or in relation to the paschal period. Additionally, it includes a visually appealing widget that can be added to your homescreen.

One of the standout features of Orthodox Christian Calendar (English) is that it does not require an internet connection, ensuring that it can display the feast or the saints of the day even in remote locations like Sinai or Mount Athos.

It's worth noting that while the app provides fasting information, users are advised to consult with their priest for accurate guidance. Furthermore, the app includes notifications about the saints and feasts scheduled for the following day. Users also have the option to configure the calendar style between the old and new calendar.

Overall, Orthodox Christian Calendar (English) is a useful app for those interested in staying connected to the Orthodox Christian calendar and its traditions. It's a valuable resource for daily spiritual guidance and observance.