Time is a basic factor in all astrological calculations. In the formula section ou will find a description of the formulas: Factor t and delta T
Astronomy and mathematics, it is not everybody’s hobby. But you do need it if you want to practice astrology. In most cases the computer will handle these kind of tough jobs. But maybe you want more insight or you want to program yourself. Then it is necessary to understand more of the technical stuff.
At RadixPro I will publish formulas at a regular base. My ultimate goal is to cover all important calculations. For now I created a simple start: Astronomical formula for astrologers