Planetary Hours Calculator
Find which planet rules each hour of the day for magical timing, elections, and ritual work.
Calculate Planetary Hours
Enter your location and date to see the planetary hours
What Are Planetary Hours?
Planetary hours are an ancient astrological timing system that divides each day and night into 12 unequal hours, each ruled by one of the seven classical planets.
The system is based on sunrise and sunset times, which change daily and vary by location. Each planetary hour carries the energy and influence of its ruling planet.
Planetary Hour Correspondences
☉ Sun
Success, leadership, confidence, health, vitality, authority
☽ Moon
Emotions, intuition, dreams, travel, psychic work, family
♂ Mars
Action, courage, conflict, passion, physical energy, sports
☿ Mercury
Communication, learning, business, writing, contracts, travel
♃ Jupiter
Expansion, luck, money, legal matters, education, growth
♀ Venus
Love, beauty, art, pleasure, relationships, harmony
♄ Saturn
Structure, discipline, binding, banishing, long-term planning
How to Use Planetary Hours
- 1Choose your intention
Match your activity to the planet that rules it.
- 2Find the corresponding hour
Look for when that planet rules in the schedule.
- 3Perform your work during that hour
Time your ritual, meeting, or activity for maximum planetary support.
FAQ
Why are planetary hours different lengths?
Day and night are each divided into 12 equal parts based on sunrise and sunset. Since daylight and darkness vary throughout the year, planetary hours are rarely 60 minutes long.
Which day starts the week?
In traditional astrology, Sunday (ruled by the Sun) starts the week. The first hour after sunrise on Sunday is a Sun hour.
Do I have to use my exact location?
Yes. Planetary hours depend on local sunrise and sunset times, which vary by location. Using your city gives accurate results.