List of online astronomy web applications and resources developed by the Astronomical Society of Brunei Darussalam (PABD), encompassing tools for Islamic astronomical practices, star charting, skywatching, and astronomical data / timetables. These are free and accessible online.
Most of the applications have the option to use Geolocation that set your location automatically for precise calculations (turn on Location Services settings on your device to use this feature).
βͺοΈFalak Syarie
π Prayer Times
Compute the timings for the five daily prayers
π Kiblat Direction
Tools or information for determining the precise direction of the Kaabah in Mecca, essential for prayer
βοΈ Sun-Kiblat Finder
A utility for identifying the Kiblat direction based on the Sun’s position
π First Visibility and Prediction of Lunar Crescent (Hilal)
Predictive models for the sighting of the new moon or Anak Bulan, crucial for establishing Islamic calendar months in Brunei Darussalam (for 2000 until 2099)
β¬οΈ Istiwa Adzam (Sun above Kaabah) Finder
A tool for determining the times when the Sun is directly above the Kaaba, which can also be used to verify the Kiblat direction
π Hijrah (Taqwim) Converter
A utility for converting dates between the Gregorian and Hijrah (Islamic) calendars
β Star Chart
π Skymap (Planetarium)
A digital or interactive star chart offering a simple view of the night sky, likely displaying constellations, stars, and other celestial objects
π Live Planet Above the Horizon
A real-time display or listing of planets currently visible above the horizon from the observer’s location (Bandar Seri Begawan), indicating their current positions
π Skywatching
π§ Compass
Digital Navigational tools to celestial directions for mobile phone and tablet (compass sensor is required)
π
Sun and Moon Almanac
A compilation of data concerning the Sun and Moon, likely including rise/set times, twilight hours, moon phases, and positions
π Sun at Zenith (Zero Shadow Day) Finder
A tool to determine instances of “zero shadow days” when the sun is directly overhead at the zenith
π Moon Phases
Accurate yearly moon phases schedule with time and date of lunar events for Brunei Darussalam
π Moon Phase Calendar
Monthly calendar with daily phase of the Moon displaying lunar information such as rise and set times, illumination and distance
πͺPlanet Info Rise & Set
Timetables indicating the rising and setting times of all planets
β Live Planet (Al-Kawakib) Position
Real-time or regularly updated information on the positions (RA, DEC, Altitude and Azimuth) of planets as observed from your location.
π°οΈ ISS Pass Tracker
Tool to track upcoming International Space Station (ISS) passes over your specified location, providing details like pass times, maximum elevation, azimuth, brightness (magnitude), and distance, with an option to highlight brighter passes
π± Bright Satellites Pass
(External Link)
Details regarding the predictable passes of bright artificial satellites visible from Earth
π΄Eclipse Countdown
A LIVE eclipse countdown tool that provides a dynamic visualization and a progress bar for upcoming solar and lunar eclipses visible from Brunei Darussalam. Select from a list of future eclipses and control the simulation time to view different phases.
π Data & Tables
π Solar & Lunar Eclipses (Kusuf & Khusuf)
Information pertaining to the occurrence and timing of solar and lunar eclipses in Brunei Darussalam
π
First Lunar Crescent (Hilal) Visibility
Data on the visibility of the new moon, crucial for calendar determination
π Lunar Occultations (Hijab)
Details regarding instances when the Moon passes in front of or obscures other celestial bodies such as a star and planet
πͺ Planet Conjunction (Ijtimak)
Information on the alignment of planets as observed from Earth
π The Messier Catalog
A reference to a catalog of deep-sky objects, including nebulae, star clusters, and galaxies, useful for Messier Marathon
π¦ Constellations
The table below lists translations of the names of the 88 astronomical constellations into different languages.

