FalakPro

FalakPro is a modern, high-precision Islamic astronomy (Hisab Falak) application officially developed by the Falakiyah Institute of the Nahdlatul Ulama (PWNU) of West Java.

This application is specifically designed to meet the needs of astronomy experts, Islamic students (santri), academics, and Muslims in conducting practical, accurate, and comprehensive hisab calculations and observations.

KEY FEATURES:

1. Hijri Month Hijri Calculation & Crescent Moon Visibility
• Uses modern astronomical algorithms VSOP87D & ELP-MPP02 and classical biblical methods.
• Complete visibility criteria evaluation: Neo-MABIMS (3°/6.4°), Old MABIMS, Wujudul Hilal, Yallop, Odeh, and Danjon.
• Visualizes the position of the crescent moon relative to the sun at sunset (Ghurub).
• Export and print the hisab report in a ready-to-use PDF format.

2. Precise Prayer Time Schedule
• Accurate prayer times based on your precise GPS coordinates.
• A quiet reminder in the status bar before prayer times begin.
• Equipped with a melodious adhan (call to prayer) with customizable prayer times and elevation.
• Real-time countdown to the next prayer time.

3. Qibla Direction & AR (Augmented Reality) Camera
• Visual compass with precise Qibla azimuth.
• AR camera for visualizing the direction of the Kaaba directly through your phone's camera.
• Rashdul Qibla Schedule (verify the Qibla direction using the Sun's shadow).

4. Eclipse Calculation & Simulation
• Detailed calculations of solar and lunar eclipses.
• Information on contact times (P1, U1, Peak, U4, P4) and eclipse magnitude.
• Path map and visualization of eclipse phases.

5. Astronomy Scientific Calculator
• Calculator with astronomy functions: DMS, HMS, Sin, Cos, Tan, norm360, JD, and Delta T.
• Instant conversion between decimal degrees and Degree-Minute-Second formats without rounding errors.

6. Ephemeris & Nautical Almanac
• Detailed daily astronomical position data of the Sun and Moon (Declination, Right Ascension, Semi-Diameter, Parallax, and EqT).
• Print standard A4 Nautical Almanac sheets.

7. Comprehensive Location Database
• Automatic GPS detection or select from thousands of cities/regencies in Indonesia.
• ​​Supports manual coordinate input (latitude, longitude, and altitude).

APPLICATION ADVANTAGES:
• 100% Ad-Free for comfortable worship and scientific research.
• Can be used offline without an internet connection.

• Privacy is secure, data is stored locally on your device.
• Clean, modern design with support for Light and Dark Modes.
This app is presented by the Falakiyah Institute of the Nahdlatul Ulama Regional Executive Board (PWNU) of West Java as a form of dedication to the development of astronomical science in Indonesia.