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 Wednesday, 2 April 2025: day of Mercury
- Sunrise
- 07:42
- Sunset
- 20:37
- Next sunrise
- 07:40
A day hour lasts 1h 05m; a night hour, 55 min. Local time (Europe/Paris).
Day
- 1☿︎ Mercury07:42 – 08:47
- 2☽︎ Moon08:47 – 09:52
- 3♄︎ Saturn09:52 – 10:56
- 4♃︎ Jupiter10:56 – 12:01
- 5♂︎ Mars12:01 – 13:05
- 6☉︎ Sun13:05 – 14:10
- 7♀︎ Venus14:10 – 15:14
- 8☿︎ Mercury15:14 – 16:19
- 9☽︎ Moon16:19 – 17:23
- 10♄︎ Saturn17:23 – 18:28
- 11♃︎ Jupiter18:28 – 19:32
- 12♂︎ Mars19:32 – 20:37
Night
- 1☉︎ Sun20:37 – 21:32
- 2♀︎ Venus21:32 – 22:27
- 3☿︎ Mercury22:27 – 23:23
- 4☽︎ Moon23:23 – 00:18
- 5♄︎ Saturn00:18 – 01:13
- 6♃︎ Jupiter01:13 – 02:09
- 7♂︎ Mars02:09 – 03:04
- 8☉︎ Sun03:04 – 03:59
- 9♀︎ Venus03:59 – 04:55
- 10☿︎ Mercury04:55 – 05:50
- 11☽︎ Moon05:50 – 06:45
- 12♄︎ Saturn06:45 – 07:40
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Wednesday, 2 April 2025, the Sun rises at 07:42 and sets at 20:37: the day lasts 12h 54m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 07:40, lasts 11h 04m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Mercury, from 07:42 to 08:47: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.