The Muhammadiyah Calendar with KHGT is a Hijri calendar application based on the Single Geocentric True Hisab (KHGT) — the official calculation method from the Muhammadiyah Central Leadership for determining the beginning of the Qamariyah months, such as Ramadan, Shawwal, and Zulhijah.

Key Features:
📅 Hijri calendar based on Muhammadiyah's KHGT criteria.

🌙 Calculation of the beginning of the Qamariyah month (ijtima', crescent height, elongation).

🕌 Daily prayer schedule based on the user's location (without internet).

🧭 Accurate Qibla direction determination based on the device's geographic position and compass.

🔭 Crescent Moon visibility with graphs and Moon-Sun position data.

📈 KHGT graphic display: elongation, crescent height, and Ghurub time.

📍 Supports various locations in Indonesia and abroad.

Helping users understand and follow the Muhammadiyah Islamic calendar in a scientific, accurate, and easily accessible manner for the general public, students, and astronomy researchers.