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Randburg: coordinates, UTM zone and magnetic declination

Survey data sheet for Randburg (South Africa) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.

Latitude26°05′38.8″ S
Longitude28°00′04.4″ E
Decimal degrees-26.09410, 28.00123
UTM zone35S · MC 27° E
UTM (WGS 84)E 600,124 · N 7,113,510
Scale factor (k)0.999724
Grid convergence−0.4404°
Magnetic declination (today)20.65° W · −15.8′/year
Geoid undulation (EGM2008)N = 25.83 m
Approximate elevation1,593 m
Time zoneAfrica/Johannesburg (UTC+2)
Population337,053

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)

StationLocationDistance
HARB HARB00ZAFPretoria, South Africa37 km
HRAO HRAO00ZAFKrugersdorp, South Africa39 km
HRAG HRAG00ZAFKrugersdorp, South Africa39 km

Tools to use here

FAQ

What UTM zone is Randburg in?

Randburg is in UTM zone 35S, with central meridian 27° E. In WGS 84, the city center is at E 600,124 m and N 7,113,510 m.

What is the magnetic declination in Randburg?

Today the magnetic declination in Randburg is 20.65° W, changing by −15.8′ 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 Randburg?

The geoid undulation (EGM2008) in Randburg is N = 25.83 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Randburg

© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS

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