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 Thursday, 20 January 2028: day of Jupiter
- Sunrise
- 08:45
- Sunset
- 17:49
- Next sunrise
- 08:44
A day hour lasts 45 min; a night hour, 1h 15m. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter08:45 – 09:30
- 2♂︎ Mars09:30 – 10:15
- 3☉︎ Sun10:15 – 11:01
- 4♀︎ Venus11:01 – 11:46
- 5☿︎ Mercury11:46 – 12:31
- 6☽︎ Moon12:31 – 13:17
- 7♄︎ Saturn13:17 – 14:02
- 8♃︎ Jupiter14:02 – 14:48
- 9♂︎ Mars14:48 – 15:33
- 10☉︎ Sun15:33 – 16:18
- 11♀︎ Venus16:18 – 17:04
- 12☿︎ Mercury17:04 – 17:49
Night
- 1☽︎ Moon17:49 – 19:04
- 2♄︎ Saturn19:04 – 20:18
- 3♃︎ Jupiter20:18 – 21:33
- 4♂︎ Mars21:33 – 22:47
- 5☉︎ Sun22:47 – 00:02
- 6♀︎ Venus00:02 – 01:16
- 7☿︎ Mercury01:16 – 02:31
- 8☽︎ Moon02:31 – 03:45
- 9♄︎ Saturn03:45 – 05:00
- 10♃︎ Jupiter05:00 – 06:15
- 11♂︎ Mars06:15 – 07:29
- 12☉︎ Sun07:29 – 08:44
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Thursday, 20 January 2028, the Sun rises at 08:45 and sets at 17:49: the day lasts 9h 04m, that is twelve day hours of 45 min. The night, until the next sunrise at 08:44, lasts 14h 55m: twelve night hours of 1h 15m.
Which planet rules the first hour that day?
Jupiter, from 08:45 to 09:30: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.