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 Saturday, 28 February 2026: day of Saturn
- Sunrise
- 07:48
- Sunset
- 18:49
- Next sunrise
- 07:46
A day hour lasts 55 min; a night hour, 1h 05m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn07:48 – 08:43
- 2♃︎ Jupiter08:43 – 09:38
- 3♂︎ Mars09:38 – 10:33
- 4☉︎ Sun10:33 – 11:28
- 5♀︎ Venus11:28 – 12:23
- 6☿︎ Mercury12:23 – 13:19
- 7☽︎ Moon13:19 – 14:14
- 8♄︎ Saturn14:14 – 15:09
- 9♃︎ Jupiter15:09 – 16:04
- 10♂︎ Mars16:04 – 16:59
- 11☉︎ Sun16:59 – 17:54
- 12♀︎ Venus17:54 – 18:49
Night
- 1☿︎ Mercury18:49 – 19:54
- 2☽︎ Moon19:54 – 20:59
- 3♄︎ Saturn20:59 – 22:03
- 4♃︎ Jupiter22:03 – 23:08
- 5♂︎ Mars23:08 – 00:13
- 6☉︎ Sun00:13 – 01:18
- 7♀︎ Venus01:18 – 02:22
- 8☿︎ Mercury02:22 – 03:27
- 9☽︎ Moon03:27 – 04:32
- 10♄︎ Saturn04:32 – 05:37
- 11♃︎ Jupiter05:37 – 06:41
- 12♂︎ Mars06:41 – 07:46
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Saturday, 28 February 2026, the Sun rises at 07:48 and sets at 18:49: the day lasts 11h 01m, that is twelve day hours of 55 min. The night, until the next sunrise at 07:46, lasts 12h 57m: twelve night hours of 1h 05m.
Which planet rules the first hour that day?
Saturn, from 07:48 to 08:43: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.