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, 5 January 2026: day of the Moon
- Sunrise
- 07:40
- Sunset
- 15:25
- Next sunrise
- 07:39
A day hour lasts 39 min; a night hour, 1h 21m. Local time (Europe/Warsaw).
Day
- 1☽︎ Moon07:40 – 08:19
- 2♄︎ Saturn08:19 – 08:57
- 3♃︎ Jupiter08:57 – 09:36
- 4♂︎ Mars09:36 – 10:15
- 5☉︎ Sun10:15 – 10:54
- 6♀︎ Venus10:54 – 11:32
- 7☿︎ Mercury11:32 – 12:11
- 8☽︎ Moon12:11 – 12:50
- 9♄︎ Saturn12:50 – 13:29
- 10♃︎ Jupiter13:29 – 14:07
- 11♂︎ Mars14:07 – 14:46
- 12☉︎ Sun14:46 – 15:25
Night
- 1♀︎ Venus15:25 – 16:46
- 2☿︎ Mercury16:46 – 18:07
- 3☽︎ Moon18:07 – 19:29
- 4♄︎ Saturn19:29 – 20:50
- 5♃︎ Jupiter20:50 – 22:11
- 6♂︎ Mars22:11 – 23:32
- 7☉︎ Sun23:32 – 00:53
- 8♀︎ Venus00:53 – 02:15
- 9☿︎ Mercury02:15 – 03:36
- 10☽︎ Moon03:36 – 04:57
- 11♄︎ Saturn04:57 – 06:18
- 12♃︎ Jupiter06:18 – 07:39
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Monday, 5 January 2026, the Sun rises at 07:40 and sets at 15:25: the day lasts 7h 45m, that is twelve day hours of 39 min. The night, until the next sunrise at 07:39, lasts 16h 15m: twelve night hours of 1h 21m.
Which planet rules the first hour that day?
The Moon, from 07:40 to 08:19: 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.