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 Monday, 18 January 2027: day of the Moon
- Sunrise
- 08:46
- Sunset
- 17:47
- Next sunrise
- 08:45
A day hour lasts 45 min; a night hour, 1h 15m. Local time (Europe/Paris).
Day
- 1☽︎ Moon08:46 – 09:31
- 2♄︎ Saturn09:31 – 10:16
- 3♃︎ Jupiter10:16 – 11:01
- 4♂︎ Mars11:01 – 11:46
- 5☉︎ Sun11:46 – 12:31
- 6♀︎ Venus12:31 – 13:16
- 7☿︎ Mercury13:16 – 14:01
- 8☽︎ Moon14:01 – 14:46
- 9♄︎ Saturn14:46 – 15:31
- 10♃︎ Jupiter15:31 – 16:16
- 11♂︎ Mars16:16 – 17:01
- 12☉︎ Sun17:01 – 17:47
Night
- 1♀︎ Venus17:47 – 19:01
- 2☿︎ Mercury19:01 – 20:16
- 3☽︎ Moon20:16 – 21:31
- 4♄︎ Saturn21:31 – 22:46
- 5♃︎ Jupiter22:46 – 00:01
- 6♂︎ Mars00:01 – 01:16
- 7☉︎ Sun01:16 – 02:31
- 8♀︎ Venus02:31 – 03:46
- 9☿︎ Mercury03:46 – 05:01
- 10☽︎ Moon05:01 – 06:15
- 11♄︎ Saturn06:15 – 07:30
- 12♃︎ Jupiter07:30 – 08:45
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Monday, 18 January 2027, the Sun rises at 08:46 and sets at 17:47: the day lasts 9h 01m, that is twelve day hours of 45 min. The night, until the next sunrise at 08:45, lasts 14h 59m: twelve night hours of 1h 15m.
Which planet rules the first hour that day?
The Moon, from 08:46 to 09:31: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.