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 Wednesday, 4 February 2026: day of Mercury
- Sunrise
- 08:42
- Sunset
- 18:21
- Next sunrise
- 08:41
A day hour lasts 48 min; a night hour, 1h 12m. Local time (Europe/Paris).
Day
- 1☿︎ Mercury08:42 – 09:30
- 2☽︎ Moon09:30 – 10:19
- 3♄︎ Saturn10:19 – 11:07
- 4♃︎ Jupiter11:07 – 11:55
- 5♂︎ Mars11:55 – 12:43
- 6☉︎ Sun12:43 – 13:32
- 7♀︎ Venus13:32 – 14:20
- 8☿︎ Mercury14:20 – 15:08
- 9☽︎ Moon15:08 – 15:56
- 10♄︎ Saturn15:56 – 16:45
- 11♃︎ Jupiter16:45 – 17:33
- 12♂︎ Mars17:33 – 18:21
Night
- 1☉︎ Sun18:21 – 19:33
- 2♀︎ Venus19:33 – 20:44
- 3☿︎ Mercury20:44 – 21:56
- 4☽︎ Moon21:56 – 23:08
- 5♄︎ Saturn23:08 – 00:19
- 6♃︎ Jupiter00:19 – 01:31
- 7♂︎ Mars01:31 – 02:43
- 8☉︎ Sun02:43 – 03:54
- 9♀︎ Venus03:54 – 05:06
- 10☿︎ Mercury05:06 – 06:17
- 11☽︎ Moon06:17 – 07:29
- 12♄︎ Saturn07:29 – 08:41
Other cities · France
Questions
How are the planetary hours calculated in Brest?
On Wednesday, 4 February 2026, the Sun rises at 08:42 and sets at 18:21: the day lasts 9h 39m, that is twelve day hours of 48 min. The night, until the next sunrise at 08:41, lasts 14h 20m: twelve night hours of 1h 12m.
Which planet rules the first hour that day?
Mercury, from 08:42 to 09:30: 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.