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 Sunday, 7 December 2025: day of the Sun
- Sunrise
- 07:47
- Sunset
- 15:31
- Next sunrise
- 07:48
A day hour lasts 39 min; a night hour, 1h 21m. Local time (Europe/Warsaw).
Day
- 1☉︎ Sun07:47 – 08:25
- 2♀︎ Venus08:25 – 09:04
- 3☿︎ Mercury09:04 – 09:43
- 4☽︎ Moon09:43 – 10:22
- 5♄︎ Saturn10:22 – 11:00
- 6♃︎ Jupiter11:00 – 11:39
- 7♂︎ Mars11:39 – 12:18
- 8☉︎ Sun12:18 – 12:56
- 9♀︎ Venus12:56 – 13:35
- 10☿︎ Mercury13:35 – 14:14
- 11☽︎ Moon14:14 – 14:52
- 12♄︎ Saturn14:52 – 15:31
Night
- 1♃︎ Jupiter15:31 – 16:52
- 2♂︎ Mars16:52 – 18:14
- 3☉︎ Sun18:14 – 19:35
- 4♀︎ Venus19:35 – 20:57
- 5☿︎ Mercury20:57 – 22:18
- 6☽︎ Moon22:18 – 23:39
- 7♄︎ Saturn23:39 – 01:01
- 8♃︎ Jupiter01:01 – 02:22
- 9♂︎ Mars02:22 – 03:44
- 10☉︎ Sun03:44 – 05:05
- 11♀︎ Venus05:05 – 06:27
- 12☿︎ Mercury06:27 – 07:48
Other cities · Poland
Questions
How are the planetary hours calculated in Bydgoszcz?
On Sunday, 7 December 2025, the Sun rises at 07:47 and sets at 15:31: the day lasts 7h 44m, that is twelve day hours of 39 min. The night, until the next sunrise at 07:48, lasts 16h 17m: twelve night hours of 1h 21m.
Which planet rules the first hour that day?
The Sun, from 07:47 to 08:25: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.