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, 26 February 2026: day of Jupiter
- Sunrise
- 07:52
- Sunset
- 18:46
- Next sunrise
- 07:50
A day hour lasts 55 min; a night hour, 1h 05m. Local time (Europe/Paris).
Day
- 1♃︎ Jupiter07:52 – 08:46
- 2♂︎ Mars08:46 – 09:41
- 3☉︎ Sun09:41 – 10:35
- 4♀︎ Venus10:35 – 11:30
- 5☿︎ Mercury11:30 – 12:24
- 6☽︎ Moon12:24 – 13:19
- 7♄︎ Saturn13:19 – 14:13
- 8♃︎ Jupiter14:13 – 15:08
- 9♂︎ Mars15:08 – 16:03
- 10☉︎ Sun16:03 – 16:57
- 11♀︎ Venus16:57 – 17:52
- 12☿︎ Mercury17:52 – 18:46
Night
- 1☽︎ Moon18:46 – 19:52
- 2♄︎ Saturn19:52 – 20:57
- 3♃︎ Jupiter20:57 – 22:02
- 4♂︎ Mars22:02 – 23:07
- 5☉︎ Sun23:07 – 00:13
- 6♀︎ Venus00:13 – 01:18
- 7☿︎ Mercury01:18 – 02:23
- 8☽︎ Moon02:23 – 03:29
- 9♄︎ Saturn03:29 – 04:34
- 10♃︎ Jupiter04:34 – 05:39
- 11♂︎ Mars05:39 – 06:44
- 12☉︎ Sun06:44 – 07:50
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Thursday, 26 February 2026, the Sun rises at 07:52 and sets at 18:46: the day lasts 10h 55m, that is twelve day hours of 55 min. The night, until the next sunrise at 07:50, lasts 13h 03m: twelve night hours of 1h 05m.
Which planet rules the first hour that day?
Jupiter, from 07:52 to 08:46: 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.