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, 12 February 2026: day of Jupiter
- Sunrise
- 06:51
- Sunset
- 16:32
- Next sunrise
- 06:49
A day hour lasts 48 min; a night hour, 1h 11m. Local time (Europe/Warsaw).
Day
- 1♃︎ Jupiter06:51 – 07:39
- 2♂︎ Mars07:39 – 08:28
- 3☉︎ Sun08:28 – 09:16
- 4♀︎ Venus09:16 – 10:05
- 5☿︎ Mercury10:05 – 10:53
- 6☽︎ Moon10:53 – 11:41
- 7♄︎ Saturn11:41 – 12:30
- 8♃︎ Jupiter12:30 – 13:18
- 9♂︎ Mars13:18 – 14:07
- 10☉︎ Sun14:07 – 14:55
- 11♀︎ Venus14:55 – 15:44
- 12☿︎ Mercury15:44 – 16:32
Night
- 1☽︎ Moon16:32 – 17:44
- 2♄︎ Saturn17:44 – 18:55
- 3♃︎ Jupiter18:55 – 20:06
- 4♂︎ Mars20:06 – 21:18
- 5☉︎ Sun21:18 – 22:29
- 6♀︎ Venus22:29 – 23:40
- 7☿︎ Mercury23:40 – 00:52
- 8☽︎ Moon00:52 – 02:03
- 9♄︎ Saturn02:03 – 03:15
- 10♃︎ Jupiter03:15 – 04:26
- 11♂︎ Mars04:26 – 05:37
- 12☉︎ Sun05:37 – 06:49
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Thursday, 12 February 2026, the Sun rises at 06:51 and sets at 16:32: the day lasts 9h 41m, that is twelve day hours of 48 min. The night, until the next sunrise at 06:49, lasts 14h 17m: twelve night hours of 1h 11m.
Which planet rules the first hour that day?
Jupiter, from 06:51 to 07:39: 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.