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 Thursday, 30 October 2025: day of Jupiter
- 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♃︎ Jupiter06:21 – 07:09
- 2♂︎ Mars07:09 – 07:58
- 3☉︎ Sun07:58 – 08:46
- 4♀︎ Venus08:46 – 09:34
- 5☿︎ Mercury09:34 – 10:22
- 6☽︎ Moon10:22 – 11:10
- 7♄︎ Saturn11:10 – 11:58
- 8♃︎ Jupiter11:58 – 12:46
- 9♂︎ Mars12:46 – 13:35
- 10☉︎ Sun13:35 – 14:23
- 11♀︎ Venus14:23 – 15:11
- 12☿︎ Mercury15:11 – 15:59
Night
- 1☽︎ Moon15:59 – 17:11
- 2♄︎ Saturn17:11 – 18:23
- 3♃︎ Jupiter18:23 – 19:35
- 4♂︎ Mars19:35 – 20:47
- 5☉︎ Sun20:47 – 21:59
- 6♀︎ Venus21:59 – 23:11
- 7☿︎ Mercury23:11 – 00:23
- 8☽︎ Moon00:23 – 01:35
- 9♄︎ Saturn01:35 – 02:47
- 10♃︎ Jupiter02:47 – 03:59
- 11♂︎ Mars03:59 – 05:11
- 12☉︎ Sun05:11 – 06:23
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Thursday, 30 October 2025, the Sun rises at 06:21 and sets at 15:59: the day lasts 9h 38m, that is twelve day hours of 48 min. The night, until the next sunrise at 06:23, lasts 14h 24m: twelve night hours of 1h 12m.
Which planet rules the first hour that day?
Jupiter, 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: 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.