Honolulu: coordinates, UTM zone and magnetic declination
Survey data sheet for Honolulu (United States) 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 Honolulu in?
Honolulu is in UTM zone 4N, with central meridian 159° W. In WGS 84, the city center is at E 618,414 m and N 2,356,547 m.
What is the magnetic declination in Honolulu?
Today the magnetic declination in Honolulu is 9.27° E, changing by −2.6′ 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 Honolulu?
The geoid undulation (EGM2008) in Honolulu is N = 15.77 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Honolulu
- San Francisco 3,854 km
- Oakland 3,867 km
- San Jose 3,883 km
- Stockton 3,954 km
- Sacramento 3,959 km
- Fresno 4,047 km
- Bakersfield 4,078 km
- Long Beach 4,120 km
- All cities in United States
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS