Planetary hours
in Białystok.
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, 10 October 2026: day of Saturn
- Sunrise
- 06:44
- Sunset
- 17:43
- Next sunrise
- 06:46
A day hour lasts 55 min; a night hour, 1h 05m. Local time (Europe/Warsaw).
Day
- 1♄︎ Saturn06:44 – 07:39
- 2♃︎ Jupiter07:39 – 08:34
- 3♂︎ Mars08:34 – 09:29
- 4☉︎ Sun09:29 – 10:24
- 5♀︎ Venus10:24 – 11:18
- 6☿︎ Mercury11:18 – 12:13
- 7☽︎ Moon12:13 – 13:08
- 8♄︎ Saturn13:08 – 14:03
- 9♃︎ Jupiter14:03 – 14:58
- 10♂︎ Mars14:58 – 15:53
- 11☉︎ Sun15:53 – 16:48
- 12♀︎ Venus16:48 – 17:43
Night
- 1☿︎ Mercury17:43 – 18:48
- 2☽︎ Moon18:48 – 19:53
- 3♄︎ Saturn19:53 – 20:59
- 4♃︎ Jupiter20:59 – 22:04
- 5♂︎ Mars22:04 – 23:09
- 6☉︎ Sun23:09 – 00:14
- 7♀︎ Venus00:14 – 01:20
- 8☿︎ Mercury01:20 – 02:25
- 9☽︎ Moon02:25 – 03:30
- 10♄︎ Saturn03:30 – 04:35
- 11♃︎ Jupiter04:35 – 05:41
- 12♂︎ Mars05:41 – 06:46
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Saturday, 10 October 2026, the Sun rises at 06:44 and sets at 17:43: the day lasts 10h 59m, that is twelve day hours of 55 min. The night, until the next sunrise at 06:46, lasts 13h 03m: twelve night hours of 1h 05m.
Which planet rules the first hour that day?
Saturn, from 06:44 to 07:39: 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.