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, 23 February 2026: day of the Moon
- Sunrise
- 07:57
- Sunset
- 18:42
- Next sunrise
- 07:55
A day hour lasts 54 min; a night hour, 1h 06m. Local time (Europe/Paris).
Day
- 1☽︎ Moon07:57 – 08:51
- 2♄︎ Saturn08:51 – 09:44
- 3♃︎ Jupiter09:44 – 10:38
- 4♂︎ Mars10:38 – 11:32
- 5☉︎ Sun11:32 – 12:26
- 6♀︎ Venus12:26 – 13:19
- 7☿︎ Mercury13:19 – 14:13
- 8☽︎ Moon14:13 – 15:07
- 9♄︎ Saturn15:07 – 16:01
- 10♃︎ Jupiter16:01 – 16:54
- 11♂︎ Mars16:54 – 17:48
- 12☉︎ Sun17:48 – 18:42
Night
- 1♀︎ Venus18:42 – 19:48
- 2☿︎ Mercury19:48 – 20:54
- 3☽︎ Moon20:54 – 22:00
- 4♄︎ Saturn22:00 – 23:06
- 5♃︎ Jupiter23:06 – 00:12
- 6♂︎ Mars00:12 – 01:18
- 7☉︎ Sun01:18 – 02:25
- 8♀︎ Venus02:25 – 03:31
- 9☿︎ Mercury03:31 – 04:37
- 10☽︎ Moon04:37 – 05:43
- 11♄︎ Saturn05:43 – 06:49
- 12♃︎ Jupiter06:49 – 07:55
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Monday, 23 February 2026, the Sun rises at 07:57 and sets at 18:42: the day lasts 10h 45m, that is twelve day hours of 54 min. The night, until the next sunrise at 07:55, lasts 13h 13m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
The Moon, from 07:57 to 08:51: 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.