Planetary hours
in Nantes.
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, 8 January 2028: day of Saturn
- Sunrise
- 08:51
- Sunset
- 17:33
- Next sunrise
- 08:51
A day hour lasts 43 min; a night hour, 1h 16m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:51 – 09:35
- 2♃︎ Jupiter09:35 – 10:18
- 3♂︎ Mars10:18 – 11:02
- 4☉︎ Sun11:02 – 11:45
- 5♀︎ Venus11:45 – 12:29
- 6☿︎ Mercury12:29 – 13:12
- 7☽︎ Moon13:12 – 13:56
- 8♄︎ Saturn13:56 – 14:39
- 9♃︎ Jupiter14:39 – 15:23
- 10♂︎ Mars15:23 – 16:06
- 11☉︎ Sun16:06 – 16:50
- 12♀︎ Venus16:50 – 17:33
Night
- 1☿︎ Mercury17:33 – 18:50
- 2☽︎ Moon18:50 – 20:06
- 3♄︎ Saturn20:06 – 21:23
- 4♃︎ Jupiter21:23 – 22:39
- 5♂︎ Mars22:39 – 23:56
- 6☉︎ Sun23:56 – 01:12
- 7♀︎ Venus01:12 – 02:29
- 8☿︎ Mercury02:29 – 03:45
- 9☽︎ Moon03:45 – 05:02
- 10♄︎ Saturn05:02 – 06:18
- 11♃︎ Jupiter06:18 – 07:35
- 12♂︎ Mars07:35 – 08:51
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 8 January 2028, the Sun rises at 08:51 and sets at 17:33: the day lasts 8h 42m, that is twelve day hours of 43 min. The night, until the next sunrise at 08:51, lasts 15h 18m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
Saturn, from 08:51 to 09:35: 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.