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, 8 May 2025: day of Jupiter
- Sunrise
- 04:40
- Sunset
- 20:08
- Next sunrise
- 04:38
A day hour lasts 1h 17m; a night hour, 43 min. Local time (Europe/Warsaw).
Day
- 1♃︎ Jupiter04:40 – 05:57
- 2♂︎ Mars05:57 – 07:15
- 3☉︎ Sun07:15 – 08:32
- 4♀︎ Venus08:32 – 09:49
- 5☿︎ Mercury09:49 – 11:07
- 6☽︎ Moon11:07 – 12:24
- 7♄︎ Saturn12:24 – 13:41
- 8♃︎ Jupiter13:41 – 14:59
- 9♂︎ Mars14:59 – 16:16
- 10☉︎ Sun16:16 – 17:33
- 11♀︎ Venus17:33 – 18:51
- 12☿︎ Mercury18:51 – 20:08
Night
- 1☽︎ Moon20:08 – 20:50
- 2♄︎ Saturn20:50 – 21:33
- 3♃︎ Jupiter21:33 – 22:15
- 4♂︎ Mars22:15 – 22:58
- 5☉︎ Sun22:58 – 23:41
- 6♀︎ Venus23:41 – 00:23
- 7☿︎ Mercury00:23 – 01:06
- 8☽︎ Moon01:06 – 01:48
- 9♄︎ Saturn01:48 – 02:31
- 10♃︎ Jupiter02:31 – 03:13
- 11♂︎ Mars03:13 – 03:56
- 12☉︎ Sun03:56 – 04:38
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Thursday, 8 May 2025, the Sun rises at 04:40 and sets at 20:08: the day lasts 15h 28m, that is twelve day hours of 1h 17m. The night, until the next sunrise at 04:38, lasts 8h 30m: twelve night hours of 43 min.
Which planet rules the first hour that day?
Jupiter, from 04:40 to 05:57: 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.