This is true no matter which sign you're looking at. The third decan goes from 20 degrees to 29 degrees, 59 minutes, and 59 seconds. The second decan goes from 10 degrees to 19 degrees, 59 minutes, and 59 seconds. The first decan of any sign goes from 0 degrees to 9 degrees, 59 minutes and 59 seconds. Each zodiac sign will have three sets of decans contained within it - and these decans all equal up to 30 degrees.

We all know that there are 12 signs in the zodiac, but what you may not have known is that each sign is comprised of 30 degrees. Let's begin with an explanation of how many degrees fill the horoscope wheel. Reveal what's in your birth chart with a FREE personalized report » Get an in-depth look at YOUR birth chart with a personalized report » Let's start with decans In fact, after reading this short primer you'll know exactly what you're looking at in terms of degrees and minutes, no matter whose birth chart you've got in your hands. No worries - you can relax: This is NOT advanced Calculus. Math phobics out there tend to see the degree circle and minute sign and break out into a sweat. In fact, before you read the rest of this article, look at your own birth chart so you can see what we're talking about as we break it down into degrees and minutes.

One of the most confusing things about studying Astrology initially is getting a grasp on the mechanics behind a birth chart. Have you ever looked at your horoscope and wondered what all those funny degrees and minutes are all about? Well, you're not alone!

Critical degrees astrology calculator