Planetary hours
in Barysaw.
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
- 09:21
- Sunset
- 16:42
- Next sunrise
- 09:22
A day hour lasts 37 min; a night hour, 1h 23m. Local time (Europe/Minsk).
Day
- 1☿︎ Mercury09:21 – 09:58
- 2☽︎ Moon09:58 – 10:35
- 3♄︎ Saturn10:35 – 11:11
- 4♃︎ Jupiter11:11 – 11:48
- 5♂︎ Mars11:48 – 12:25
- 6☉︎ Sun12:25 – 13:02
- 7♀︎ Venus13:02 – 13:38
- 8☿︎ Mercury13:38 – 14:15
- 9☽︎ Moon14:15 – 14:52
- 10♄︎ Saturn14:52 – 15:28
- 11♃︎ Jupiter15:28 – 16:05
- 12♂︎ Mars16:05 – 16:42
Night
- 1☉︎ Sun16:42 – 18:05
- 2♀︎ Venus18:05 – 19:29
- 3☿︎ Mercury19:29 – 20:52
- 4☽︎ Moon20:52 – 22:15
- 5♄︎ Saturn22:15 – 23:39
- 6♃︎ Jupiter23:39 – 01:02
- 7♂︎ Mars01:02 – 02:25
- 8☉︎ Sun02:25 – 03:49
- 9♀︎ Venus03:49 – 05:12
- 10☿︎ Mercury05:12 – 06:35
- 11☽︎ Moon06:35 – 07:59
- 12♄︎ Saturn07:59 – 09:22
Questions
How are the planetary hours calculated in Barysaw?
On Wednesday, 17 December 2025, the Sun rises at 09:21 and sets at 16:42: the day lasts 7h 21m, that is twelve day hours of 37 min. The night, until the next sunrise at 09:22, lasts 16h 40m: twelve night hours of 1h 23m.
Which planet rules the first hour that day?
Mercury, from 09:21 to 09:58: 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.