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, 30 October 2026: day of Venus
- Sunrise
- 06:21
- Sunset
- 15:59
- Next sunrise
- 06:23
A day hour lasts 48 min; a night hour, 1h 12m. Local time (Europe/Warsaw).
Day
- 1♀︎ Venus06:21 – 07:09
- 2☿︎ Mercury07:09 – 07:57
- 3☽︎ Moon07:57 – 08:45
- 4♄︎ Saturn08:45 – 09:34
- 5♃︎ Jupiter09:34 – 10:22
- 6♂︎ Mars10:22 – 11:10
- 7☉︎ Sun11:10 – 11:58
- 8♀︎ Venus11:58 – 12:47
- 9☿︎ Mercury12:47 – 13:35
- 10☽︎ Moon13:35 – 14:23
- 11♄︎ Saturn14:23 – 15:11
- 12♃︎ Jupiter15:11 – 15:59
Night
- 1♂︎ Mars15:59 – 17:11
- 2☉︎ Sun17:11 – 18:23
- 3♀︎ Venus18:23 – 19:35
- 4☿︎ Mercury19:35 – 20:47
- 5☽︎ Moon20:47 – 21:59
- 6♄︎ Saturn21:59 – 23:11
- 7♃︎ Jupiter23:11 – 00:23
- 8♂︎ Mars00:23 – 01:35
- 9☉︎ Sun01:35 – 02:47
- 10♀︎ Venus02:47 – 03:59
- 11☿︎ Mercury03:59 – 05:11
- 12☽︎ Moon05:11 – 06:23
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Friday, 30 October 2026, the Sun rises at 06:21 and sets at 15:59: the day lasts 9h 39m, that is twelve day hours of 48 min. The night, until the next sunrise at 06:23, lasts 14h 23m: twelve night hours of 1h 12m.
Which planet rules the first hour that day?
Venus, from 06:21 to 07:09: 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.