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 Friday, 29 August 2025: day of Venus
- Sunrise
- 05:52
- Sunset
- 19:43
- Next sunrise
- 05:54
A day hour lasts 1h 09m; a night hour, 51 min. Local time (Europe/Warsaw).
Day
- 1♀︎ Venus05:52 – 07:02
- 2☿︎ Mercury07:02 – 08:11
- 3☽︎ Moon08:11 – 09:20
- 4♄︎ Saturn09:20 – 10:29
- 5♃︎ Jupiter10:29 – 11:39
- 6♂︎ Mars11:39 – 12:48
- 7☉︎ Sun12:48 – 13:57
- 8♀︎ Venus13:57 – 15:06
- 9☿︎ Mercury15:06 – 16:15
- 10☽︎ Moon16:15 – 17:25
- 11♄︎ Saturn17:25 – 18:34
- 12♃︎ Jupiter18:34 – 19:43
Night
- 1♂︎ Mars19:43 – 20:34
- 2☉︎ Sun20:34 – 21:25
- 3♀︎ Venus21:25 – 22:16
- 4☿︎ Mercury22:16 – 23:07
- 5☽︎ Moon23:07 – 23:58
- 6♄︎ Saturn23:58 – 00:49
- 7♃︎ Jupiter00:49 – 01:40
- 8♂︎ Mars01:40 – 02:30
- 9☉︎ Sun02:30 – 03:21
- 10♀︎ Venus03:21 – 04:12
- 11☿︎ Mercury04:12 – 05:03
- 12☽︎ Moon05:03 – 05:54
Other cities · Poland
Questions
How are the planetary hours calculated in Bydgoszcz?
On Friday, 29 August 2025, the Sun rises at 05:52 and sets at 19:43: the day lasts 13h 51m, that is twelve day hours of 1h 09m. The night, until the next sunrise at 05:54, lasts 10h 11m: twelve night hours of 51 min.
Which planet rules the first hour that day?
Venus, from 05:52 to 07:02: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.