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 Tuesday, 2 December 2025: day of Mars
- Sunrise
- 07:20
- Sunset
- 15:13
- Next sunrise
- 07:21
A day hour lasts 39 min; a night hour, 1h 21m. Local time (Europe/Warsaw).
Day
- 1♂︎ Mars07:20 – 07:59
- 2☉︎ Sun07:59 – 08:38
- 3♀︎ Venus08:38 – 09:18
- 4☿︎ Mercury09:18 – 09:57
- 5☽︎ Moon09:57 – 10:37
- 6♄︎ Saturn10:37 – 11:16
- 7♃︎ Jupiter11:16 – 11:56
- 8♂︎ Mars11:56 – 12:35
- 9☉︎ Sun12:35 – 13:14
- 10♀︎ Venus13:14 – 13:54
- 11☿︎ Mercury13:54 – 14:33
- 12☽︎ Moon14:33 – 15:13
Night
- 1♄︎ Saturn15:13 – 16:33
- 2♃︎ Jupiter16:33 – 17:54
- 3♂︎ Mars17:54 – 19:15
- 4☉︎ Sun19:15 – 20:35
- 5♀︎ Venus20:35 – 21:56
- 6☿︎ Mercury21:56 – 23:17
- 7☽︎ Moon23:17 – 00:38
- 8♄︎ Saturn00:38 – 01:58
- 9♃︎ Jupiter01:58 – 03:19
- 10♂︎ Mars03:19 – 04:40
- 11☉︎ Sun04:40 – 06:00
- 12♀︎ Venus06:00 – 07:21
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Tuesday, 2 December 2025, the Sun rises at 07:20 and sets at 15:13: the day lasts 7h 53m, that is twelve day hours of 39 min. The night, until the next sunrise at 07:21, lasts 16h 08m: twelve night hours of 1h 21m.
Which planet rules the first hour that day?
Mars, from 07:20 to 07:59: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.