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 April 2026: day of Mars
- Sunrise
- 06:55
- Sunset
- 21:13
- Next sunrise
- 06:53
A day hour lasts 1h 11m; a night hour, 48 min. Local time (Europe/Paris).
Day
- 1♂︎ Mars06:55 – 08:06
- 2☉︎ Sun08:06 – 09:18
- 3♀︎ Venus09:18 – 10:29
- 4☿︎ Mercury10:29 – 11:41
- 5☽︎ Moon11:41 – 12:52
- 6♄︎ Saturn12:52 – 14:04
- 7♃︎ Jupiter14:04 – 15:15
- 8♂︎ Mars15:15 – 16:27
- 9☉︎ Sun16:27 – 17:38
- 10♀︎ Venus17:38 – 18:50
- 11☿︎ Mercury18:50 – 20:01
- 12☽︎ Moon20:01 – 21:13
Night
- 1♄︎ Saturn21:13 – 22:01
- 2♃︎ Jupiter22:01 – 22:49
- 3♂︎ Mars22:49 – 23:38
- 4☉︎ Sun23:38 – 00:26
- 5♀︎ Venus00:26 – 01:14
- 6☿︎ Mercury01:14 – 02:03
- 7☽︎ Moon02:03 – 02:51
- 8♄︎ Saturn02:51 – 03:40
- 9♃︎ Jupiter03:40 – 04:28
- 10♂︎ Mars04:28 – 05:16
- 11☉︎ Sun05:16 – 06:05
- 12♀︎ Venus06:05 – 06:53
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 28 April 2026, the Sun rises at 06:55 and sets at 21:13: the day lasts 14h 18m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 06:53, lasts 9h 40m: twelve night hours of 48 min.
Which planet rules the first hour that day?
Mars, from 06:55 to 08:06: 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.