Planetary hours
in Brest.
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 Saturday, 27 September 2025: day of Saturn
- Sunrise
- 08:11
- Sunset
- 20:05
- Next sunrise
- 08:13
A day hour lasts 59 min; a night hour, 1h 01m. Local time (Europe/Paris).
Day
- 1♄︎ Saturn08:11 – 09:11
- 2♃︎ Jupiter09:11 – 10:10
- 3♂︎ Mars10:10 – 11:10
- 4☉︎ Sun11:10 – 12:09
- 5♀︎ Venus12:09 – 13:08
- 6☿︎ Mercury13:08 – 14:08
- 7☽︎ Moon14:08 – 15:07
- 8♄︎ Saturn15:07 – 16:07
- 9♃︎ Jupiter16:07 – 17:06
- 10♂︎ Mars17:06 – 18:06
- 11☉︎ Sun18:06 – 19:05
- 12♀︎ Venus19:05 – 20:05
Night
- 1☿︎ Mercury20:05 – 21:05
- 2☽︎ Moon21:05 – 22:06
- 3♄︎ Saturn22:06 – 23:07
- 4♃︎ Jupiter23:07 – 00:07
- 5♂︎ Mars00:07 – 01:08
- 6☉︎ Sun01:08 – 02:09
- 7♀︎ Venus02:09 – 03:09
- 8☿︎ Mercury03:09 – 04:10
- 9☽︎ Moon04:10 – 05:11
- 10♄︎ Saturn05:11 – 06:11
- 11♃︎ Jupiter06:11 – 07:12
- 12♂︎ Mars07:12 – 08:13
Other cities · France
Questions
How are the planetary hours calculated in Brest?
On Saturday, 27 September 2025, the Sun rises at 08:11 and sets at 20:05: the day lasts 11h 53m, that is twelve day hours of 59 min. The night, until the next sunrise at 08:13, lasts 12h 08m: twelve night hours of 1h 01m.
Which planet rules the first hour that day?
Saturn, from 08:11 to 09:11: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.