Magnetic declination, sometimes called magnetic variation, is the angle between magnetic north and true north. Declination is positive east of true north and negative when west.

Declination, the difference between magnetic north and true north, is key to accurate navigation. Learn how to adjust for it on a compass.

At most places on the Earth's surface, the compass doesn't point exactly toward geographic north. The deviation of the compass from true north is an angle called "declination" (or "magnetic …

Magnetic declination (also called magnetic variation) is the angle between magnetic north and true north at a particular location on the Earth's surface. The angle can change over time due …

The declination angle changes over time due to the fluctuation of Earth’s magnetic field. Many Suunto compasses provide either fixed or adjustable declination correction.

One of the most confounding aspects of using a compass is declination. Declination is the difference between true north and magnetic north. If you take bearing in the field and want to …

May 16, 2023 · In this guide, we teach you everything you need to know about compass declination, including why it’s important and how to adjust for it when navigating.

Learn what declination is and how to adjust your compass for accurate navigation. Understand east vs west declination, map readings, and the science behind magnetic north.

Dec 10, 2025 · In our in-depth guide, we’ll share with you all the basics about what compass declination means, how to determine its value and how to properly adjust your compass, as …

Nov 24, 2024 · Rotate your compass and your body in one motion until the orienting arrow overlaps the magnetic needle. Adjust your dial according to the declination values of the local …