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Diepsloot: coordinates, UTM zone and magnetic declination

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

Latitude25°55′59.2″ S
Longitude28°00′43.7″ E
Decimal degrees-25.93312, 28.01213
UTM zone35S · MC 27° E
UTM (WGS 84)E 601,352 · N 7,131,331
Scale factor (k)0.999727
Grid convergence−0.4427°
Magnetic declination (today)20.39° W · −15.7′/year
Geoid undulation (EGM2008)N = 25.19 m
Approximate elevation1,410 m
Time zoneAfrica/Johannesburg (UTC+2)
Population350,000

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
PRE3 PRE300ZAFPretoria, South Africa30 km
PRE4 PRE400ZAFPretoria, South Africa30 km
HARB HARB00ZAFPretoria, South Africa31 km

Tools to use here

FAQ

What UTM zone is Diepsloot in?

Diepsloot is in UTM zone 35S, with central meridian 27° E. In WGS 84, the city center is at E 601,352 m and N 7,131,331 m.

What is the magnetic declination in Diepsloot?

Today the magnetic declination in Diepsloot is 20.39° W, changing by −15.7′ 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 Diepsloot?

The geoid undulation (EGM2008) in Diepsloot is N = 25.19 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Diepsloot

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

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