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, 25 July 2026: day of Saturn
- Sunrise
- 04:33
- Sunset
- 20:33
- Next sunrise
- 04:34
A day hour lasts 1h 20m; a night hour, 40 min. Local time (Europe/Warsaw).
Day
- 1♄︎ Saturn04:33 – 05:53
- 2♃︎ Jupiter05:53 – 07:13
- 3♂︎ Mars07:13 – 08:33
- 4☉︎ Sun08:33 – 09:53
- 5♀︎ Venus09:53 – 11:13
- 6☿︎ Mercury11:13 – 12:33
- 7☽︎ Moon12:33 – 13:53
- 8♄︎ Saturn13:53 – 15:13
- 9♃︎ Jupiter15:13 – 16:33
- 10♂︎ Mars16:33 – 17:53
- 11☉︎ Sun17:53 – 19:13
- 12♀︎ Venus19:13 – 20:33
Night
- 1☿︎ Mercury20:33 – 21:13
- 2☽︎ Moon21:13 – 21:53
- 3♄︎ Saturn21:53 – 22:33
- 4♃︎ Jupiter22:33 – 23:13
- 5♂︎ Mars23:13 – 23:54
- 6☉︎ Sun23:54 – 00:34
- 7♀︎ Venus00:34 – 01:14
- 8☿︎ Mercury01:14 – 01:54
- 9☽︎ Moon01:54 – 02:34
- 10♄︎ Saturn02:34 – 03:14
- 11♃︎ Jupiter03:14 – 03:54
- 12♂︎ Mars03:54 – 04:34
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Saturday, 25 July 2026, the Sun rises at 04:33 and sets at 20:33: the day lasts 16h 00m, that is twelve day hours of 1h 20m. The night, until the next sunrise at 04:34, lasts 8h 01m: twelve night hours of 40 min.
Which planet rules the first hour that day?
Saturn, from 04:33 to 05:53: 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.