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, 2 April 2026: day of Jupiter
- Sunrise
- 07:43
- Sunset
- 20:36
- Next sunrise
- 07:41
A day hour lasts 1h 04m; a night hour, 55 min. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter07:43 – 08:47
- 2♂︎ Mars08:47 – 09:52
- 3☉︎ Sun09:52 – 10:56
- 4♀︎ Venus10:56 – 12:01
- 5☿︎ Mercury12:01 – 13:05
- 6☽︎ Moon13:05 – 14:10
- 7♄︎ Saturn14:10 – 15:14
- 8♃︎ Jupiter15:14 – 16:19
- 9♂︎ Mars16:19 – 17:23
- 10☉︎ Sun17:23 – 18:28
- 11♀︎ Venus18:28 – 19:32
- 12☿︎ Mercury19:32 – 20:36
Night
- 1☽︎ Moon20:36 – 21:32
- 2♄︎ Saturn21:32 – 22:27
- 3♃︎ Jupiter22:27 – 23:23
- 4♂︎ Mars23:23 – 00:18
- 5☉︎ Sun00:18 – 01:13
- 6♀︎ Venus01:13 – 02:09
- 7☿︎ Mercury02:09 – 03:04
- 8☽︎ Moon03:04 – 03:59
- 9♄︎ Saturn03:59 – 04:55
- 10♃︎ Jupiter04:55 – 05:50
- 11♂︎ Mars05:50 – 06:46
- 12☉︎ Sun06:46 – 07:41
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Thursday, 2 April 2026, the Sun rises at 07:43 and sets at 20:36: the day lasts 12h 54m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 07:41, lasts 11h 04m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Jupiter, from 07:43 to 08:47: 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.