Planetary Hours

About Planetary Hours

What are Planetary Hours?

Planetary hours are an ancient astrological system that divides the time between sunrise and sunset, and sunset and sunrise, into 12 unequal "hours." Each hour is ruled by one of the seven traditional planets (Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn).

The sequence of rulers follows the Chaldean order of the planets, based on their apparent speed from Earth's perspective. The planet ruling the first hour of the day (starting at sunrise) is the ruler of that day.

How Can They Be Used?

Practitioners believe that the nature of the ruling planet influences the energy and suitability of that hour for certain activities. For example:

This calculator helps you easily determine the current planetary hour based on your location and the date, allowing you to align your activities with the prevailing planetary energies.