Planetary hours
in Brest (Belarus).
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 Thursday, 18 December 2025: day of Jupiter
- Sunrise
- 09:29
- Sunset
- 17:13
- Next sunrise
- 09:30
A day hour lasts 39 min; a night hour, 1h 21m. Local time (Europe/Minsk).
Day
- 1♃︎ Jupiter09:29 – 10:08
- 2♂︎ Mars10:08 – 10:47
- 3☉︎ Sun10:47 – 11:25
- 4♀︎ Venus11:25 – 12:04
- 5☿︎ Mercury12:04 – 12:43
- 6☽︎ Moon12:43 – 13:21
- 7♄︎ Saturn13:21 – 14:00
- 8♃︎ Jupiter14:00 – 14:39
- 9♂︎ Mars14:39 – 15:17
- 10☉︎ Sun15:17 – 15:56
- 11♀︎ Venus15:56 – 16:35
- 12☿︎ Mercury16:35 – 17:13
Night
- 1☽︎ Moon17:13 – 18:35
- 2♄︎ Saturn18:35 – 19:56
- 3♃︎ Jupiter19:56 – 21:17
- 4♂︎ Mars21:17 – 22:39
- 5☉︎ Sun22:39 – 00:00
- 6♀︎ Venus00:00 – 01:22
- 7☿︎ Mercury01:22 – 02:43
- 8☽︎ Moon02:43 – 04:04
- 9♄︎ Saturn04:04 – 05:26
- 10♃︎ Jupiter05:26 – 06:47
- 11♂︎ Mars06:47 – 08:09
- 12☉︎ Sun08:09 – 09:30
Other cities · Belarus
Questions
How are the planetary hours calculated in Brest (Belarus)?
On Thursday, 18 December 2025, the Sun rises at 09:29 and sets at 17:13: the day lasts 7h 44m, that is twelve day hours of 39 min. The night, until the next sunrise at 09:30, lasts 16h 17m: twelve night hours of 1h 21m.
Which planet rules the first hour that day?
Jupiter, from 09:29 to 10:08: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.