Hours is an app for calculating planetary hours according to the traditional astrological rules. The app will calculate planetary hours for:
1) Your current location, defined by GPS.
2) Any of over 42,000 of predefined locations around the world from the database shipped with the app.
3) Any custom location you might want to define, specifying its latitude and longitude.
You can select any date from January 1st, 1900.
Hours also displays an extensive list of attributes for each planet.
In the latest version, planetary strengths were added. Their importance was emphasized by 17th century herbalists, as well as contemporary practitioners.
If you want to learn more about the planetary hours, I've prepared for you a course, Planetary Hours: A Complete Guide (https://astroschool.lunarium.co.uk/p/planetary-hours-a-complete-guide)