Planetary hours
in Bydgoszcz.
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, 23 December 2025: day of Mars
- Sunrise
- 08:00
- Sunset
- 15:33
- Next sunrise
- 08:01
A day hour lasts 38 min; a night hour, 1h 22m. Local time (Europe/Warsaw).
Day
- 1♂︎ Mars08:00 – 08:38
- 2☉︎ Sun08:38 – 09:16
- 3♀︎ Venus09:16 – 09:53
- 4☿︎ Mercury09:53 – 10:31
- 5☽︎ Moon10:31 – 11:09
- 6♄︎ Saturn11:09 – 11:47
- 7♃︎ Jupiter11:47 – 12:24
- 8♂︎ Mars12:24 – 13:02
- 9☉︎ Sun13:02 – 13:40
- 10♀︎ Venus13:40 – 14:18
- 11☿︎ Mercury14:18 – 14:55
- 12☽︎ Moon14:55 – 15:33
Night
- 1♄︎ Saturn15:33 – 16:55
- 2♃︎ Jupiter16:55 – 18:18
- 3♂︎ Mars18:18 – 19:40
- 4☉︎ Sun19:40 – 21:02
- 5♀︎ Venus21:02 – 22:25
- 6☿︎ Mercury22:25 – 23:47
- 7☽︎ Moon23:47 – 01:09
- 8♄︎ Saturn01:09 – 02:31
- 9♃︎ Jupiter02:31 – 03:54
- 10♂︎ Mars03:54 – 05:16
- 11☉︎ Sun05:16 – 06:38
- 12♀︎ Venus06:38 – 08:01
Other cities · Poland
Questions
How are the planetary hours calculated in Bydgoszcz?
On Tuesday, 23 December 2025, the Sun rises at 08:00 and sets at 15:33: the day lasts 7h 33m, that is twelve day hours of 38 min. The night, until the next sunrise at 08:01, lasts 16h 28m: twelve night hours of 1h 22m.
Which planet rules the first hour that day?
Mars, from 08:00 to 08:38: 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.