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 Saturday, 27 December 2025: day of Saturn
- Sunrise
- 08:01
- Sunset
- 15:36
- Next sunrise
- 08:02
A day hour lasts 38 min; a night hour, 1h 22m. Local time (Europe/Warsaw).
Day
- 1♄︎ Saturn08:01 – 08:39
- 2♃︎ Jupiter08:39 – 09:17
- 3♂︎ Mars09:17 – 09:55
- 4☉︎ Sun09:55 – 10:33
- 5♀︎ Venus10:33 – 11:11
- 6☿︎ Mercury11:11 – 11:49
- 7☽︎ Moon11:49 – 12:27
- 8♄︎ Saturn12:27 – 13:04
- 9♃︎ Jupiter13:04 – 13:42
- 10♂︎ Mars13:42 – 14:20
- 11☉︎ Sun14:20 – 14:58
- 12♀︎ Venus14:58 – 15:36
Night
- 1☿︎ Mercury15:36 – 16:58
- 2☽︎ Moon16:58 – 18:20
- 3♄︎ Saturn18:20 – 19:42
- 4♃︎ Jupiter19:42 – 21:04
- 5♂︎ Mars21:04 – 22:27
- 6☉︎ Sun22:27 – 23:49
- 7♀︎ Venus23:49 – 01:11
- 8☿︎ Mercury01:11 – 02:33
- 9☽︎ Moon02:33 – 03:55
- 10♄︎ Saturn03:55 – 05:17
- 11♃︎ Jupiter05:17 – 06:39
- 12♂︎ Mars06:39 – 08:02
Other cities · Poland
Questions
How are the planetary hours calculated in Bydgoszcz?
On Saturday, 27 December 2025, the Sun rises at 08:01 and sets at 15:36: the day lasts 7h 34m, that is twelve day hours of 38 min. The night, until the next sunrise at 08:02, lasts 16h 26m: twelve night hours of 1h 22m.
Which planet rules the first hour that day?
Saturn, from 08:01 to 08:39: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.