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 Friday, 25 July 2025: day of Venus
- Sunrise
- 04:33
- Sunset
- 20:33
- Next sunrise
- 04:35
A day hour lasts 1h 20m; a night hour, 40 min. Local time (Europe/Warsaw).
Day
- 1♀︎ Venus04:33 – 05:53
- 2☿︎ Mercury05:53 – 07:13
- 3☽︎ Moon07:13 – 08:33
- 4♄︎ Saturn08:33 – 09:53
- 5♃︎ Jupiter09:53 – 11:13
- 6♂︎ Mars11:13 – 12:33
- 7☉︎ Sun12:33 – 13:53
- 8♀︎ Venus13:53 – 15:13
- 9☿︎ Mercury15:13 – 16:33
- 10☽︎ Moon16:33 – 17:53
- 11♄︎ Saturn17:53 – 19:13
- 12♃︎ Jupiter19:13 – 20:33
Night
- 1♂︎ Mars20:33 – 21:13
- 2☉︎ Sun21:13 – 21:53
- 3♀︎ Venus21:53 – 22:33
- 4☿︎ Mercury22:33 – 23:13
- 5☽︎ Moon23:13 – 23:54
- 6♄︎ Saturn23:54 – 00:34
- 7♃︎ Jupiter00:34 – 01:14
- 8♂︎ Mars01:14 – 01:54
- 9☉︎ Sun01:54 – 02:34
- 10♀︎ Venus02:34 – 03:14
- 11☿︎ Mercury03:14 – 03:55
- 12☽︎ Moon03:55 – 04:35
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Friday, 25 July 2025, the Sun rises at 04:33 and sets at 20:33: the day lasts 15h 59m, that is twelve day hours of 1h 20m. The night, until the next sunrise at 04:35, lasts 8h 02m: twelve night hours of 40 min.
Which planet rules the first hour that day?
Venus, from 04:33 to 05:53: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.