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 April 2026: day of Saturn
- Sunrise
- 05:06
- Sunset
- 19:45
- Next sunrise
- 05:04
A day hour lasts 1h 13m; a night hour, 47 min. Local time (Europe/Warsaw).
Day
- 1♄︎ Saturn05:06 – 06:19
- 2♃︎ Jupiter06:19 – 07:33
- 3♂︎ Mars07:33 – 08:46
- 4☉︎ Sun08:46 – 09:59
- 5♀︎ Venus09:59 – 11:12
- 6☿︎ Mercury11:12 – 12:25
- 7☽︎ Moon12:25 – 13:39
- 8♄︎ Saturn13:39 – 14:52
- 9♃︎ Jupiter14:52 – 16:05
- 10♂︎ Mars16:05 – 17:18
- 11☉︎ Sun17:18 – 18:32
- 12♀︎ Venus18:32 – 19:45
Night
- 1☿︎ Mercury19:45 – 20:31
- 2☽︎ Moon20:31 – 21:18
- 3♄︎ Saturn21:18 – 22:05
- 4♃︎ Jupiter22:05 – 22:51
- 5♂︎ Mars22:51 – 23:38
- 6☉︎ Sun23:38 – 00:24
- 7♀︎ Venus00:24 – 01:11
- 8☿︎ Mercury01:11 – 01:58
- 9☽︎ Moon01:58 – 02:44
- 10♄︎ Saturn02:44 – 03:31
- 11♃︎ Jupiter03:31 – 04:17
- 12♂︎ Mars04:17 – 05:04
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Saturday, 25 April 2026, the Sun rises at 05:06 and sets at 19:45: the day lasts 14h 39m, that is twelve day hours of 1h 13m. The night, until the next sunrise at 05:04, lasts 9h 19m: twelve night hours of 47 min.
Which planet rules the first hour that day?
Saturn, from 05:06 to 06:19: 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.