Planetary hours
in Białystok.
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 Friday, 4 December 2026: day of Venus
- Sunrise
- 07:22
- Sunset
- 15:12
- Next sunrise
- 07:23
A day hour lasts 39 min; a night hour, 1h 21m. Local time (Europe/Warsaw).
Day
- 1♀︎ Venus07:22 – 08:01
- 2☿︎ Mercury08:01 – 08:40
- 3☽︎ Moon08:40 – 09:19
- 4♄︎ Saturn09:19 – 09:59
- 5♃︎ Jupiter09:59 – 10:38
- 6♂︎ Mars10:38 – 11:17
- 7☉︎ Sun11:17 – 11:56
- 8♀︎ Venus11:56 – 12:35
- 9☿︎ Mercury12:35 – 13:14
- 10☽︎ Moon13:14 – 13:53
- 11♄︎ Saturn13:53 – 14:33
- 12♃︎ Jupiter14:33 – 15:12
Night
- 1♂︎ Mars15:12 – 16:33
- 2☉︎ Sun16:33 – 17:54
- 3♀︎ Venus17:54 – 19:15
- 4☿︎ Mercury19:15 – 20:36
- 5☽︎ Moon20:36 – 21:57
- 6♄︎ Saturn21:57 – 23:18
- 7♃︎ Jupiter23:18 – 00:39
- 8♂︎ Mars00:39 – 01:59
- 9☉︎ Sun01:59 – 03:20
- 10♀︎ Venus03:20 – 04:41
- 11☿︎ Mercury04:41 – 06:02
- 12☽︎ Moon06:02 – 07:23
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Friday, 4 December 2026, the Sun rises at 07:22 and sets at 15:12: the day lasts 7h 50m, that is twelve day hours of 39 min. The night, until the next sunrise at 07:23, lasts 16h 12m: twelve night hours of 1h 21m.
Which planet rules the first hour that day?
Venus, from 07:22 to 08:01: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.