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, 25 March 2025: day of Mars
- Sunrise
- 06:58
- Sunset
- 19:26
- Next sunrise
- 06:56
A day hour lasts 1h 02m; a night hour, 58 min. Local time (Europe/Paris).
Day
- 1♂︎ Mars06:58 – 08:01
- 2☉︎ Sun08:01 – 09:03
- 3♀︎ Venus09:03 – 10:05
- 4☿︎ Mercury10:05 – 11:07
- 5☽︎ Moon11:07 – 12:10
- 6♄︎ Saturn12:10 – 13:12
- 7♃︎ Jupiter13:12 – 14:14
- 8♂︎ Mars14:14 – 15:17
- 9☉︎ Sun15:17 – 16:19
- 10♀︎ Venus16:19 – 17:21
- 11☿︎ Mercury17:21 – 18:23
- 12☽︎ Moon18:23 – 19:26
Night
- 1♄︎ Saturn19:26 – 20:23
- 2♃︎ Jupiter20:23 – 21:21
- 3♂︎ Mars21:21 – 22:18
- 4☉︎ Sun22:18 – 23:16
- 5♀︎ Venus23:16 – 00:13
- 6☿︎ Mercury00:13 – 01:11
- 7☽︎ Moon01:11 – 02:09
- 8♄︎ Saturn02:09 – 03:06
- 9♃︎ Jupiter03:06 – 04:04
- 10♂︎ Mars04:04 – 05:01
- 11☉︎ Sun05:01 – 05:59
- 12♀︎ Venus05:59 – 06:56
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 25 March 2025, the Sun rises at 06:58 and sets at 19:26: the day lasts 12h 27m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 06:56, lasts 11h 31m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Mars, from 06:58 to 08:01: 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.