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 Wednesday, 30 July 2025: day of Mercury
- Sunrise
- 05:02
- Sunset
- 20:45
- Next sunrise
- 05:03
A day hour lasts 1h 19m; a night hour, 42 min. Local time (Europe/Warsaw).
Day
- 1☿︎ Mercury05:02 – 06:20
- 2☽︎ Moon06:20 – 07:39
- 3♄︎ Saturn07:39 – 08:58
- 4♃︎ Jupiter08:58 – 10:16
- 5♂︎ Mars10:16 – 11:35
- 6☉︎ Sun11:35 – 12:53
- 7♀︎ Venus12:53 – 14:12
- 8☿︎ Mercury14:12 – 15:31
- 9☽︎ Moon15:31 – 16:49
- 10♄︎ Saturn16:49 – 18:08
- 11♃︎ Jupiter18:08 – 19:26
- 12♂︎ Mars19:26 – 20:45
Night
- 1☉︎ Sun20:45 – 21:27
- 2♀︎ Venus21:27 – 22:08
- 3☿︎ Mercury22:08 – 22:50
- 4☽︎ Moon22:50 – 23:31
- 5♄︎ Saturn23:31 – 00:13
- 6♃︎ Jupiter00:13 – 00:54
- 7♂︎ Mars00:54 – 01:36
- 8☉︎ Sun01:36 – 02:17
- 9♀︎ Venus02:17 – 02:59
- 10☿︎ Mercury02:59 – 03:40
- 11☽︎ Moon03:40 – 04:22
- 12♄︎ Saturn04:22 – 05:03
Other cities · Poland
Questions
How are the planetary hours calculated in Bydgoszcz?
On Wednesday, 30 July 2025, the Sun rises at 05:02 and sets at 20:45: the day lasts 15h 43m, that is twelve day hours of 1h 19m. The night, until the next sunrise at 05:03, lasts 8h 18m: twelve night hours of 42 min.
Which planet rules the first hour that day?
Mercury, from 05:02 to 06:20: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.