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, 16 March 2027: day of Mars
- Sunrise
- 07:17
- Sunset
- 19:12
- Next sunrise
- 07:15
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Europe/Paris).
Day
- 1♂︎ Mars07:17 – 08:17
- 2☉︎ Sun08:17 – 09:17
- 3♀︎ Venus09:17 – 10:16
- 4☿︎ Mercury10:16 – 11:16
- 5☽︎ Moon11:16 – 12:15
- 6♄︎ Saturn12:15 – 13:15
- 7♃︎ Jupiter13:15 – 14:14
- 8♂︎ Mars14:14 – 15:14
- 9☉︎ Sun15:14 – 16:14
- 10♀︎ Venus16:14 – 17:13
- 11☿︎ Mercury17:13 – 18:13
- 12☽︎ Moon18:13 – 19:12
Night
- 1♄︎ Saturn19:12 – 20:12
- 2♃︎ Jupiter20:12 – 21:13
- 3♂︎ Mars21:13 – 22:13
- 4☉︎ Sun22:13 – 23:13
- 5♀︎ Venus23:13 – 00:14
- 6☿︎ Mercury00:14 – 01:14
- 7☽︎ Moon01:14 – 02:14
- 8♄︎ Saturn02:14 – 03:14
- 9♃︎ Jupiter03:14 – 04:15
- 10♂︎ Mars04:15 – 05:15
- 11☉︎ Sun05:15 – 06:15
- 12♀︎ Venus06:15 – 07:15
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Tuesday, 16 March 2027, the Sun rises at 07:17 and sets at 19:12: the day lasts 11h 55m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 07:15, lasts 12h 03m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
Mars, from 07:17 to 08:17: 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.