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Iloilo City: coordinates, UTM zone and magnetic declination

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

Latitude10°41′49.0″ N
Longitude122°33′52.0″ E
Decimal degrees10.69694, 122.56444
UTM zone51N · MC 123° E
UTM (WGS 84)E 452,369 · N 1,182,504
Scale factor (k)0.999628
Grid convergence−0.0808°
Magnetic declination (today)2.09° W · −2.7′/year
Geoid undulation (EGM2008)N = 58.47 m
Approximate elevation8 m
Time zoneAsia/Manila (UTC+8)
Population473,728

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
PPPC PPPC00PHLPuerto Princesa City, Philippines431 km
PTGG PTGG00PHLTaguig City, Philippines458 km
PTAG PTAG00PHLTaguig City, Philippines458 km

Tools to use here

FAQ

What UTM zone is Iloilo City in?

Iloilo City is in UTM zone 51N, with central meridian 123° E. In WGS 84, the city center is at E 452,369 m and N 1,182,504 m.

What is the magnetic declination in Iloilo City?

Today the magnetic declination in Iloilo City is 2.09° W, changing by −2.7′ 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 Iloilo City?

The geoid undulation (EGM2008) in Iloilo City is N = 58.47 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Iloilo City

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

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