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 Sunday, 1 February 2026: day of the Sun
- Sunrise
- 07:11
- Sunset
- 16:11
- Next sunrise
- 07:09
A day hour lasts 45 min; a night hour, 1h 15m. Local time (Europe/Warsaw).
Day
- 1☉︎ Sun07:11 – 07:56
- 2♀︎ Venus07:56 – 08:41
- 3☿︎ Mercury08:41 – 09:26
- 4☽︎ Moon09:26 – 10:11
- 5♄︎ Saturn10:11 – 10:56
- 6♃︎ Jupiter10:56 – 11:41
- 7♂︎ Mars11:41 – 12:26
- 8☉︎ Sun12:26 – 13:11
- 9♀︎ Venus13:11 – 13:56
- 10☿︎ Mercury13:56 – 14:41
- 11☽︎ Moon14:41 – 15:26
- 12♄︎ Saturn15:26 – 16:11
Night
- 1♃︎ Jupiter16:11 – 17:26
- 2♂︎ Mars17:26 – 18:40
- 3☉︎ Sun18:40 – 19:55
- 4♀︎ Venus19:55 – 21:10
- 5☿︎ Mercury21:10 – 22:25
- 6☽︎ Moon22:25 – 23:40
- 7♄︎ Saturn23:40 – 00:55
- 8♃︎ Jupiter00:55 – 02:10
- 9♂︎ Mars02:10 – 03:25
- 10☉︎ Sun03:25 – 04:39
- 11♀︎ Venus04:39 – 05:54
- 12☿︎ Mercury05:54 – 07:09
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Sunday, 1 February 2026, the Sun rises at 07:11 and sets at 16:11: the day lasts 9h 00m, that is twelve day hours of 45 min. The night, until the next sunrise at 07:09, lasts 14h 58m: twelve night hours of 1h 15m.
Which planet rules the first hour that day?
The Sun, from 07:11 to 07:56: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.