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Zanzibar: coordinates, UTM zone and magnetic declination

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

Latitude6°09′50.2″ S
Longitude39°11′52.5″ E
Decimal degrees-6.16394, 39.19793
UTM zone37S · MC 39° E
UTM (WGS 84)E 521,898 · N 9,318,669
Scale factor (k)0.999606
Grid convergence−0.0213°
Magnetic declination (today)2.39° W · −5.1′/year
Geoid undulation (EGM2008)N = −28.07 m
Approximate elevation14 m
Time zoneAfrica/Dar_es_Salaam (UTC+3)
Population709,809

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
MAL2 MAL200KENMalindi, Kenya369 km
MOIU MOIU00KENEldoret, Kenya838 km
ENTB ENTB00UGAEntebbe, Uganda1,018 km

Tools to use here

FAQ

What UTM zone is Zanzibar in?

Zanzibar is in UTM zone 37S, with central meridian 39° E. In WGS 84, the city center is at E 521,898 m and N 9,318,669 m.

What is the magnetic declination in Zanzibar?

Today the magnetic declination in Zanzibar is 2.39° W, changing by −5.1′ 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 Zanzibar?

The geoid undulation (EGM2008) in Zanzibar is N = −28.07 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Zanzibar

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

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