Magnetic declination depends on location. It ranges from about 15° W in Maine to 15° E in Washington, so azimuths are only right for the place you pick.
Or set declination manually (degrees, east +, west −)
Or pick an installation
Computed from the World Magnetic Model (WMM2025) for today's date. If your map's declination diagram disagrees, trust the current WMM figure, or enter the value your cadre gives you.