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, 20 January 2026: day of Mars
- Sunrise
- 07:48
- Sunset
- 16:09
- Next sunrise
- 07:47
A day hour lasts 42 min; a night hour, 1h 18m. Local time (Europe/Warsaw).
Day
- 1♂︎ Mars07:48 – 08:30
- 2☉︎ Sun08:30 – 09:12
- 3♀︎ Venus09:12 – 09:54
- 4☿︎ Mercury09:54 – 10:35
- 5☽︎ Moon10:35 – 11:17
- 6♄︎ Saturn11:17 – 11:59
- 7♃︎ Jupiter11:59 – 12:40
- 8♂︎ Mars12:40 – 13:22
- 9☉︎ Sun13:22 – 14:04
- 10♀︎ Venus14:04 – 14:46
- 11☿︎ Mercury14:46 – 15:27
- 12☽︎ Moon15:27 – 16:09
Night
- 1♄︎ Saturn16:09 – 17:27
- 2♃︎ Jupiter17:27 – 18:45
- 3♂︎ Mars18:45 – 20:04
- 4☉︎ Sun20:04 – 21:22
- 5♀︎ Venus21:22 – 22:40
- 6☿︎ Mercury22:40 – 23:58
- 7☽︎ Moon23:58 – 01:16
- 8♄︎ Saturn01:16 – 02:34
- 9♃︎ Jupiter02:34 – 03:53
- 10♂︎ Mars03:53 – 05:11
- 11☉︎ Sun05:11 – 06:29
- 12♀︎ Venus06:29 – 07:47
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Questions
How are the planetary hours calculated in Bydgoszcz?
On Tuesday, 20 January 2026, the Sun rises at 07:48 and sets at 16:09: the day lasts 8h 20m, that is twelve day hours of 42 min. The night, until the next sunrise at 07:47, lasts 15h 38m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
Mars, from 07:48 to 08:30: 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.