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 April 2025: day of Venus
- Sunrise
- 05:06
- Sunset
- 19:45
- Next sunrise
- 05:04
A day hour lasts 1h 13m; a night hour, 47 min. Local time (Europe/Warsaw).
Day
- 1♀︎ Venus05:06 – 06:19
- 2☿︎ Mercury06:19 – 07:32
- 3☽︎ Moon07:32 – 08:46
- 4♄︎ Saturn08:46 – 09:59
- 5♃︎ Jupiter09:59 – 11:12
- 6♂︎ Mars11:12 – 12:25
- 7☉︎ Sun12:25 – 13:39
- 8♀︎ Venus13:39 – 14:52
- 9☿︎ Mercury14:52 – 16:05
- 10☽︎ Moon16:05 – 17:19
- 11♄︎ Saturn17:19 – 18:32
- 12♃︎ Jupiter18:32 – 19:45
Night
- 1♂︎ Mars19:45 – 20:32
- 2☉︎ Sun20:32 – 21:18
- 3♀︎ Venus21:18 – 22:05
- 4☿︎ Mercury22:05 – 22:51
- 5☽︎ Moon22:51 – 23:38
- 6♄︎ Saturn23:38 – 00:24
- 7♃︎ Jupiter00:24 – 01:11
- 8♂︎ Mars01:11 – 01:57
- 9☉︎ Sun01:57 – 02:44
- 10♀︎ Venus02:44 – 03:30
- 11☿︎ Mercury03:30 – 04:17
- 12☽︎ Moon04:17 – 05:04
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Friday, 25 April 2025, the Sun rises at 05:06 and sets at 19:45: the day lasts 14h 39m, that is twelve day hours of 1h 13m. The night, until the next sunrise at 05:04, lasts 9h 18m: twelve night hours of 47 min.
Which planet rules the first hour that day?
Venus, from 05:06 to 06:19: 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.