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 Monday, 19 January 2026: day of the Moon
- Sunrise
- 07:29
- Sunset
- 15:47
- Next sunrise
- 07:28
A day hour lasts 41 min; a night hour, 1h 18m. Local time (Europe/Warsaw).
Day
- 1☽︎ Moon07:29 – 08:11
- 2♄︎ Saturn08:11 – 08:52
- 3♃︎ Jupiter08:52 – 09:33
- 4♂︎ Mars09:33 – 10:15
- 5☉︎ Sun10:15 – 10:56
- 6♀︎ Venus10:56 – 11:38
- 7☿︎ Mercury11:38 – 12:19
- 8☽︎ Moon12:19 – 13:01
- 9♄︎ Saturn13:01 – 13:42
- 10♃︎ Jupiter13:42 – 14:24
- 11♂︎ Mars14:24 – 15:05
- 12☉︎ Sun15:05 – 15:47
Night
- 1♀︎ Venus15:47 – 17:05
- 2☿︎ Mercury17:05 – 18:23
- 3☽︎ Moon18:23 – 19:42
- 4♄︎ Saturn19:42 – 21:00
- 5♃︎ Jupiter21:00 – 22:19
- 6♂︎ Mars22:19 – 23:37
- 7☉︎ Sun23:37 – 00:56
- 8♀︎ Venus00:56 – 02:14
- 9☿︎ Mercury02:14 – 03:33
- 10☽︎ Moon03:33 – 04:51
- 11♄︎ Saturn04:51 – 06:09
- 12♃︎ Jupiter06:09 – 07:28
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Monday, 19 January 2026, the Sun rises at 07:29 and sets at 15:47: the day lasts 8h 17m, that is twelve day hours of 41 min. The night, until the next sunrise at 07:28, lasts 15h 41m: twelve night hours of 1h 18m.
Which planet rules the first hour that day?
The Moon, from 07:29 to 08:11: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.