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 Wednesday, 3 September 2025: day of Mercury
- Sunrise
- 07:11
- Sunset
- 20:21
- Next sunrise
- 07:12
A day hour lasts 1h 06m; a night hour, 54 min. Local time (Europe/Paris).
Day
- 1☿︎ Mercury07:11 – 08:17
- 2☽︎ Moon08:17 – 09:22
- 3♄︎ Saturn09:22 – 10:28
- 4♃︎ Jupiter10:28 – 11:34
- 5♂︎ Mars11:34 – 12:40
- 6☉︎ Sun12:40 – 13:46
- 7♀︎ Venus13:46 – 14:52
- 8☿︎ Mercury14:52 – 15:58
- 9☽︎ Moon15:58 – 17:04
- 10♄︎ Saturn17:04 – 18:09
- 11♃︎ Jupiter18:09 – 19:15
- 12♂︎ Mars19:15 – 20:21
Night
- 1☉︎ Sun20:21 – 21:15
- 2♀︎ Venus21:15 – 22:10
- 3☿︎ Mercury22:10 – 23:04
- 4☽︎ Moon23:04 – 23:58
- 5♄︎ Saturn23:58 – 00:52
- 6♃︎ Jupiter00:52 – 01:47
- 7♂︎ Mars01:47 – 02:41
- 8☉︎ Sun02:41 – 03:35
- 9♀︎ Venus03:35 – 04:29
- 10☿︎ Mercury04:29 – 05:24
- 11☽︎ Moon05:24 – 06:18
- 12♄︎ Saturn06:18 – 07:12
Other cities · France
Questions
How are the planetary hours calculated in Clermont-Ferrand?
On Wednesday, 3 September 2025, the Sun rises at 07:11 and sets at 20:21: the day lasts 13h 11m, that is twelve day hours of 1h 06m. The night, until the next sunrise at 07:12, lasts 10h 51m: twelve night hours of 54 min.
Which planet rules the first hour that day?
Mercury, from 07:11 to 08:17: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.