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, 28 July 2026: day of Mars
- Sunrise
- 06:39
- Sunset
- 21:44
- Next sunrise
- 06:41
A day hour lasts 1h 15m; a night hour, 45 min. Local time (Europe/Paris).
Day
- 1♂︎ Mars06:39 – 07:55
- 2☉︎ Sun07:55 – 09:10
- 3♀︎ Venus09:10 – 10:26
- 4☿︎ Mercury10:26 – 11:41
- 5☽︎ Moon11:41 – 12:56
- 6♄︎ Saturn12:56 – 14:12
- 7♃︎ Jupiter14:12 – 15:27
- 8♂︎ Mars15:27 – 16:43
- 9☉︎ Sun16:43 – 17:58
- 10♀︎ Venus17:58 – 19:14
- 11☿︎ Mercury19:14 – 20:29
- 12☽︎ Moon20:29 – 21:44
Night
- 1♄︎ Saturn21:44 – 22:29
- 2♃︎ Jupiter22:29 – 23:14
- 3♂︎ Mars23:14 – 23:58
- 4☉︎ Sun23:58 – 00:43
- 5♀︎ Venus00:43 – 01:28
- 6☿︎ Mercury01:28 – 02:12
- 7☽︎ Moon02:12 – 02:57
- 8♄︎ Saturn02:57 – 03:42
- 9♃︎ Jupiter03:42 – 04:27
- 10♂︎ Mars04:27 – 05:11
- 11☉︎ Sun05:11 – 05:56
- 12♀︎ Venus05:56 – 06:41
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 28 July 2026, the Sun rises at 06:39 and sets at 21:44: the day lasts 15h 05m, that is twelve day hours of 1h 15m. The night, until the next sunrise at 06:41, lasts 8h 56m: twelve night hours of 45 min.
Which planet rules the first hour that day?
Mars, from 06:39 to 07:55: 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.