Planetary hours
in Saint-Étienne.
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, 24 December 2025: day of Mercury
- Sunrise
- 08:20
- Sunset
- 17:03
- Next sunrise
- 08:20
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:20 – 09:04
- 2☽︎ Moon09:04 – 09:47
- 3♄︎ Saturn09:47 – 10:31
- 4♃︎ Jupiter10:31 – 11:14
- 5♂︎ Mars11:14 – 11:58
- 6☉︎ Sun11:58 – 12:42
- 7♀︎ Venus12:42 – 13:25
- 8☿︎ Mercury13:25 – 14:09
- 9☽︎ Moon14:09 – 14:52
- 10♄︎ Saturn14:52 – 15:36
- 11♃︎ Jupiter15:36 – 16:20
- 12♂︎ Mars16:20 – 17:03
Night
- 1☉︎ Sun17:03 – 18:20
- 2♀︎ Venus18:20 – 19:36
- 3☿︎ Mercury19:36 – 20:53
- 4☽︎ Moon20:53 – 22:09
- 5♄︎ Saturn22:09 – 23:25
- 6♃︎ Jupiter23:25 – 00:42
- 7♂︎ Mars00:42 – 01:58
- 8☉︎ Sun01:58 – 03:15
- 9♀︎ Venus03:15 – 04:31
- 10☿︎ Mercury04:31 – 05:48
- 11☽︎ Moon05:48 – 07:04
- 12♄︎ Saturn07:04 – 08:20
Other cities · France
Questions
How are the planetary hours calculated in Saint-Étienne?
On Wednesday, 24 December 2025, the Sun rises at 08:20 and sets at 17:03: the day lasts 8h 43m, that is twelve day hours of 44 min. The night, until the next sunrise at 08:20, lasts 15h 17m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Mercury, from 08:20 to 09:04: 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.