Alor Star: coordinates, UTM zone and magnetic declination
Survey data sheet for Alor Star (Malaysia) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.
Values for the city center (GeoNames coordinate). Declination from the World Magnetic Model 2025 for today's date; geoid from EGM2008. For an exact point, use the tools below.
Nearest GNSS reference stations (IGS)
Tools to use here
FAQ
What UTM zone is Alor Star in?
Alor Star is in UTM zone 47N, with central meridian 99° E. In WGS 84, the city center is at E 650,506 m and N 676,775 m.
What is the magnetic declination in Alor Star?
Today the magnetic declination in Alor Star is 0.20° W, changing by +2.2′ per year (WMM2025 model). To get the true azimuth, add the declination to the magnetic azimuth (East positive, West negative).
What is the geoid undulation in Alor Star?
The geoid undulation (EGM2008) in Alor Star is N = −13.63 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Alor Star
- Sungai Petani 55 km
- Kota Kuala Muda 59 km
- Ipoh 189 km
- Kota Bharu 208 km
- Kuala Terengganu 320 km
- Bukit Rahman Putra 349 km
- Selayang Baru Utara 350 km
- Taman Petaling 355 km
- All cities in Malaysia
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS