7
COMMON OFFSETS -
USA
Los Angeles
+13
San Diego
+12
Sacramento
+14
New York
-14
Washington
-10
Miami
-4
Houston
+3
Honolulu
+10
Mexico City
+6
BRAZIL
Rio De Janeiro
-21
Florianopolis
-19
Fortaleza
-21
AUSTRALIA
Sydney
+13
Perth
-2
Melbourne
+11
Brisbane
+11
Adelaide
+7
Hobart
+14
Darwin
+3
Alice Springs
+4
SOUTH AFRICA
Cape Town
-23
Durban
-22
NEW ZEALAND
Aukland
+19
Dunedin
+23
INDONESIA
Bali
+2
Jakarta
+1
Mentawai
0
EUROPE
Lisbon
-4
Bilbao
-2
London
-2
Rome
+2
Paris
-1
Athens
+2
JAPAN
Tokyo
-6
Okinawa
-4
NOTE: For accurate compass readings you must re-calibrate your compass after it has
come into contact with strong magnetic forces. Eg: An Airplane trip or long distance
travel in a car or train.
Also note: After calibration, compass readings should be taken away from large metal
objects and appliances. Eg; TV, Fridge, computer, car and etc.
More declination angle information can be found at:
http://geomag.usgs.gov/
http://www.ngdc.noaa.gov/seg/potfld/geomag.shtml