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, 4 July 2026: day of Saturn
- Sunrise
- 04:07
- Sunset
- 20:55
- Next sunrise
- 04:08
A day hour lasts 1h 24m; a night hour, 36 min. Local time (Europe/Warsaw).
Day
- 1♄︎ Saturn04:07 – 05:31
- 2♃︎ Jupiter05:31 – 06:55
- 3♂︎ Mars06:55 – 08:19
- 4☉︎ Sun08:19 – 09:43
- 5♀︎ Venus09:43 – 11:07
- 6☿︎ Mercury11:07 – 12:31
- 7☽︎ Moon12:31 – 13:55
- 8♄︎ Saturn13:55 – 15:19
- 9♃︎ Jupiter15:19 – 16:43
- 10♂︎ Mars16:43 – 18:07
- 11☉︎ Sun18:07 – 19:31
- 12♀︎ Venus19:31 – 20:55
Night
- 1☿︎ Mercury20:55 – 21:31
- 2☽︎ Moon21:31 – 22:07
- 3♄︎ Saturn22:07 – 22:43
- 4♃︎ Jupiter22:43 – 23:19
- 5♂︎ Mars23:19 – 23:55
- 6☉︎ Sun23:55 – 00:32
- 7♀︎ Venus00:32 – 01:08
- 8☿︎ Mercury01:08 – 01:44
- 9☽︎ Moon01:44 – 02:20
- 10♄︎ Saturn02:20 – 02:56
- 11♃︎ Jupiter02:56 – 03:32
- 12♂︎ Mars03:32 – 04:08
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Saturday, 4 July 2026, the Sun rises at 04:07 and sets at 20:55: the day lasts 16h 48m, that is twelve day hours of 1h 24m. The night, until the next sunrise at 04:08, lasts 7h 13m: twelve night hours of 36 min.
Which planet rules the first hour that day?
Saturn, from 04:07 to 05:31: 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.