Christchurch: coordinates, UTM zone and magnetic declination
Survey data sheet for Christchurch (New Zealand) 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 Christchurch in?
Christchurch is in UTM zone 59S, with central meridian 171° E. In WGS 84, the city center is at E 631,974 m and N 5,178,661 m.
What is the magnetic declination in Christchurch?
Today the magnetic declination in Christchurch is 24.72° E, changing by +4.9′ 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 Christchurch?
The geoid undulation (EGM2008) in Christchurch is N = 11.59 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Christchurch
- Wellington 305 km
- Manukau 752 km
- Auckland 765 km
- All cities in New Zealand
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS