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 Wednesday, 17 December 2025: day of Mercury
- Sunrise
- 09:29
- Sunset
- 17:13
- Next sunrise
- 09:29
A day hour lasts 39 min; a night hour, 1h 21m. Local time (Europe/Minsk).
Day
- 1☿︎ Mercury09:29 – 10:07
- 2☽︎ Moon10:07 – 10:46
- 3♄︎ Saturn10:46 – 11:25
- 4♃︎ Jupiter11:25 – 12:03
- 5♂︎ Mars12:03 – 12:42
- 6☉︎ Sun12:42 – 13:21
- 7♀︎ Venus13:21 – 13:59
- 8☿︎ Mercury13:59 – 14:38
- 9☽︎ Moon14:38 – 15:17
- 10♄︎ Saturn15:17 – 15:56
- 11♃︎ Jupiter15:56 – 16:34
- 12♂︎ Mars16:34 – 17:13
Night
- 1☉︎ Sun17:13 – 18:34
- 2♀︎ Venus18:34 – 19:56
- 3☿︎ Mercury19:56 – 21:17
- 4☽︎ Moon21:17 – 22:38
- 5♄︎ Saturn22:38 – 00:00
- 6♃︎ Jupiter00:00 – 01:21
- 7♂︎ Mars01:21 – 02:42
- 8☉︎ Sun02:42 – 04:04
- 9♀︎ Venus04:04 – 05:25
- 10☿︎ Mercury05:25 – 06:47
- 11☽︎ Moon06:47 – 08:08
- 12♄︎ Saturn08:08 – 09:29
Other cities · Belarus
Questions
How are the planetary hours calculated in Brest (Belarus)?
On Wednesday, 17 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 09:29, lasts 16h 16m: twelve night hours of 1h 21m.
Which planet rules the first hour that day?
Mercury, from 09:29 to 10:07: 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.