Planetary hours
in Tours.
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 Saturday, 19 December 2026: day of Saturn
- Sunrise
- 08:40
- Sunset
- 17:08
- Next sunrise
- 08:41
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:40 – 09:22
- 2♃︎ Jupiter09:22 – 10:05
- 3♂︎ Mars10:05 – 10:47
- 4☉︎ Sun10:47 – 11:29
- 5♀︎ Venus11:29 – 12:11
- 6☿︎ Mercury12:11 – 12:54
- 7☽︎ Moon12:54 – 13:36
- 8♄︎ Saturn13:36 – 14:18
- 9♃︎ Jupiter14:18 – 15:01
- 10♂︎ Mars15:01 – 15:43
- 11☉︎ Sun15:43 – 16:25
- 12♀︎ Venus16:25 – 17:08
Night
- 1☿︎ Mercury17:08 – 18:25
- 2☽︎ Moon18:25 – 19:43
- 3♄︎ Saturn19:43 – 21:01
- 4♃︎ Jupiter21:01 – 22:19
- 5♂︎ Mars22:19 – 23:36
- 6☉︎ Sun23:36 – 00:54
- 7♀︎ Venus00:54 – 02:12
- 8☿︎ Mercury02:12 – 03:30
- 9☽︎ Moon03:30 – 04:47
- 10♄︎ Saturn04:47 – 06:05
- 11♃︎ Jupiter06:05 – 07:23
- 12♂︎ Mars07:23 – 08:41
Other cities · France
Questions
How are the planetary hours calculated in Tours?
On Saturday, 19 December 2026, the Sun rises at 08:40 and sets at 17:08: the day lasts 8h 28m, that is twelve day hours of 42 min. The night, until the next sunrise at 08:41, lasts 15h 33m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Saturn, from 08:40 to 09:22: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.