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 Wednesday, 17 February 2027: day of Mercury
- Sunrise
- 08:08
- Sunset
- 18:32
- Next sunrise
- 08:06
A day hour lasts 52 min; a night hour, 1h 08m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:08 – 09:00
- 2☽︎ Moon09:00 – 09:52
- 3♄︎ Saturn09:52 – 10:44
- 4♃︎ Jupiter10:44 – 11:36
- 5♂︎ Mars11:36 – 12:28
- 6☉︎ Sun12:28 – 13:20
- 7♀︎ Venus13:20 – 14:12
- 8☿︎ Mercury14:12 – 15:04
- 9☽︎ Moon15:04 – 15:56
- 10♄︎ Saturn15:56 – 16:48
- 11♃︎ Jupiter16:48 – 17:40
- 12♂︎ Mars17:40 – 18:32
Night
- 1☉︎ Sun18:32 – 19:40
- 2♀︎ Venus19:40 – 20:48
- 3☿︎ Mercury20:48 – 21:56
- 4☽︎ Moon21:56 – 23:04
- 5♄︎ Saturn23:04 – 00:11
- 6♃︎ Jupiter00:11 – 01:19
- 7♂︎ Mars01:19 – 02:27
- 8☉︎ Sun02:27 – 03:35
- 9♀︎ Venus03:35 – 04:43
- 10☿︎ Mercury04:43 – 05:50
- 11☽︎ Moon05:50 – 06:58
- 12♄︎ Saturn06:58 – 08:06
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Wednesday, 17 February 2027, the Sun rises at 08:08 and sets at 18:32: the day lasts 10h 24m, that is twelve day hours of 52 min. The night, until the next sunrise at 08:06, lasts 13h 34m: twelve night hours of 1h 08m.
Which planet rules the first hour that day?
Mercury, from 08:08 to 09:00: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.