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 Tuesday, 24 February 2026: day of Mars
- Sunrise
- 07:55
- Sunset
- 18:43
- Next sunrise
- 07:53
A day hour lasts 54 min; a night hour, 1h 06m. Local time (Europe/Paris).
Day
- 1♂︎ Mars07:55 – 08:49
- 2☉︎ Sun08:49 – 09:43
- 3♀︎ Venus09:43 – 10:37
- 4☿︎ Mercury10:37 – 11:31
- 5☽︎ Moon11:31 – 12:25
- 6♄︎ Saturn12:25 – 13:19
- 7♃︎ Jupiter13:19 – 14:13
- 8♂︎ Mars14:13 – 15:07
- 9☉︎ Sun15:07 – 16:01
- 10♀︎ Venus16:01 – 16:55
- 11☿︎ Mercury16:55 – 17:49
- 12☽︎ Moon17:49 – 18:43
Night
- 1♄︎ Saturn18:43 – 19:49
- 2♃︎ Jupiter19:49 – 20:55
- 3♂︎ Mars20:55 – 22:01
- 4☉︎ Sun22:01 – 23:07
- 5♀︎ Venus23:07 – 00:12
- 6☿︎ Mercury00:12 – 01:18
- 7☽︎ Moon01:18 – 02:24
- 8♄︎ Saturn02:24 – 03:30
- 9♃︎ Jupiter03:30 – 04:36
- 10♂︎ Mars04:36 – 05:42
- 11☉︎ Sun05:42 – 06:48
- 12♀︎ Venus06:48 – 07:53
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 24 February 2026, the Sun rises at 07:55 and sets at 18:43: the day lasts 10h 48m, that is twelve day hours of 54 min. The night, until the next sunrise at 07:53, lasts 13h 10m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
Mars, from 07:55 to 08:49: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.