How To Find Your Declination Value

The map below will give you a rough idea of your declination value.  But in order to get a more exact declination value for your current location today, you will need to get that information from the NOAA website at the link below.

NOAA ONLINE DECLINATION CALCULATOR

Once you are there, STEP 1 will be to enter your zip code under the Lookup Latitude / Longitude section and press the blue Get & Add Lat / Lon button.  This will populate your Latitude and Longitude into the form. Now for STEP 2, just press the blue Calculate button on the lower left. This will bring a pop-up with your Declination amount in degrees and minutes. Remember there are 60 minutes in each degree, so 5 degrees and 30 minutes (shown as 5°30’) would be equal to 5-1/2 (or 5.5) degrees.  You will also see a W or an E after your declination.  Westerly declination values are negative, and Easterly declination values are positive.  To learn more about how to use your declination value, click here: