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 Thursday, 9 July 2026: day of Jupiter
- Sunrise
- 04:12
- Sunset
- 20:52
- Next sunrise
- 04:13
A day hour lasts 1h 23m; a night hour, 37 min. Local time (Europe/Warsaw).
Day
- 1♃︎ Jupiter04:12 – 05:35
- 2♂︎ Mars05:35 – 06:58
- 3☉︎ Sun06:58 – 08:22
- 4♀︎ Venus08:22 – 09:45
- 5☿︎ Mercury09:45 – 11:08
- 6☽︎ Moon11:08 – 12:32
- 7♄︎ Saturn12:32 – 13:55
- 8♃︎ Jupiter13:55 – 15:18
- 9♂︎ Mars15:18 – 16:42
- 10☉︎ Sun16:42 – 18:05
- 11♀︎ Venus18:05 – 19:29
- 12☿︎ Mercury19:29 – 20:52
Night
- 1☽︎ Moon20:52 – 21:29
- 2♄︎ Saturn21:29 – 22:05
- 3♃︎ Jupiter22:05 – 22:42
- 4♂︎ Mars22:42 – 23:19
- 5☉︎ Sun23:19 – 23:56
- 6♀︎ Venus23:56 – 00:32
- 7☿︎ Mercury00:32 – 01:09
- 8☽︎ Moon01:09 – 01:46
- 9♄︎ Saturn01:46 – 02:23
- 10♃︎ Jupiter02:23 – 02:59
- 11♂︎ Mars02:59 – 03:36
- 12☉︎ Sun03:36 – 04:13
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Thursday, 9 July 2026, the Sun rises at 04:12 and sets at 20:52: the day lasts 16h 40m, that is twelve day hours of 1h 23m. The night, until the next sunrise at 04:13, lasts 7h 21m: twelve night hours of 37 min.
Which planet rules the first hour that day?
Jupiter, from 04:12 to 05:35: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.