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, 28 February 2026: day of Saturn
- Sunrise
- 06:17
- Sunset
- 17:03
- Next sunrise
- 06:14
A day hour lasts 54 min; a night hour, 1h 06m. Local time (Europe/Warsaw).
Day
- 1♄︎ Saturn06:17 – 07:11
- 2♃︎ Jupiter07:11 – 08:04
- 3♂︎ Mars08:04 – 08:58
- 4☉︎ Sun08:58 – 09:52
- 5♀︎ Venus09:52 – 10:46
- 6☿︎ Mercury10:46 – 11:40
- 7☽︎ Moon11:40 – 12:34
- 8♄︎ Saturn12:34 – 13:28
- 9♃︎ Jupiter13:28 – 14:21
- 10♂︎ Mars14:21 – 15:15
- 11☉︎ Sun15:15 – 16:09
- 12♀︎ Venus16:09 – 17:03
Night
- 1☿︎ Mercury17:03 – 18:09
- 2☽︎ Moon18:09 – 19:15
- 3♄︎ Saturn19:15 – 20:21
- 4♃︎ Jupiter20:21 – 21:27
- 5♂︎ Mars21:27 – 22:33
- 6☉︎ Sun22:33 – 23:39
- 7♀︎ Venus23:39 – 00:45
- 8☿︎ Mercury00:45 – 01:51
- 9☽︎ Moon01:51 – 02:57
- 10♄︎ Saturn02:57 – 04:03
- 11♃︎ Jupiter04:03 – 05:08
- 12♂︎ Mars05:08 – 06:14
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Saturday, 28 February 2026, the Sun rises at 06:17 and sets at 17:03: the day lasts 10h 46m, that is twelve day hours of 54 min. The night, until the next sunrise at 06:14, lasts 13h 11m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
Saturn, from 06:17 to 07:11: 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.