Planetary hours
in Clermont-Ferrand.
The day, from sunrise to sunset, is cut into twelve equal hours; so is the night, from sunset to the next sunrise. Each hour carries a planet, in the Chaldean order. A planetary hour therefore lasts 60 minutes only at the equinoxes: it all depends on the date and the city. Here are the exact hours for your city; what you do with them is up to you.
Planetary day of Tuesday, 30 December 2025: day of Mars
- Sunrise
- 08:28
- Sunset
- 17:12
- Next sunrise
- 08:28
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1♂︎ Mars08:28 – 09:12
- 2☉︎ Sun09:12 – 09:55
- 3♀︎ Venus09:55 – 10:39
- 4☿︎ Mercury10:39 – 11:23
- 5☽︎ Moon11:23 – 12:06
- 6♄︎ Saturn12:06 – 12:50
- 7♃︎ Jupiter12:50 – 13:33
- 8♂︎ Mars13:33 – 14:17
- 9☉︎ Sun14:17 – 15:01
- 10♀︎ Venus15:01 – 15:44
- 11☿︎ Mercury15:44 – 16:28
- 12☽︎ Moon16:28 – 17:12
Night
- 1♄︎ Saturn17:12 – 18:28
- 2♃︎ Jupiter18:28 – 19:44
- 3♂︎ Mars19:44 – 21:01
- 4☉︎ Sun21:01 – 22:17
- 5♀︎ Venus22:17 – 23:33
- 6☿︎ Mercury23:33 – 00:50
- 7☽︎ Moon00:50 – 02:06
- 8♄︎ Saturn02:06 – 03:23
- 9♃︎ Jupiter03:23 – 04:39
- 10♂︎ Mars04:39 – 05:55
- 11☉︎ Sun05:55 – 07:12
- 12♀︎ Venus07:12 – 08:28
Other cities · France
Questions
How are the planetary hours calculated in Clermont-Ferrand?
On Tuesday, 30 December 2025, the Sun rises at 08:28 and sets at 17:12: the day lasts 8h 43m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:28, lasts 15h 17m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mars, from 08:28 to 09:12: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars again.
Today’s sky, on YOUR chart
Planetary hours are the same for everyone in a city. Your chart is yours alone: every morning AstroXP crosses the real sky with your birth, to the minute, and tells you what time it plays out for you.
On a computer? Scan this code with your phone.
Calendars
Sunrise and sunset calculated for the city (the Sun’s centre 0°50′ below the horizon: refraction and semi-diameter), local time of the city’s time zone. Checked against astronomy-engine, the app’s engine.