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 Wednesday, 17 February 2027: day of Mercury
- Sunrise
- 06:41
- Sunset
- 16:41
- Next sunrise
- 06:39
A day hour lasts 50 min; a night hour, 1h 10m. Local time (Europe/Warsaw).
Day
- 1☿︎ Mercury06:41 – 07:31
- 2☽︎ Moon07:31 – 08:21
- 3♄︎ Saturn08:21 – 09:11
- 4♃︎ Jupiter09:11 – 10:01
- 5♂︎ Mars10:01 – 10:51
- 6☉︎ Sun10:51 – 11:41
- 7♀︎ Venus11:41 – 12:31
- 8☿︎ Mercury12:31 – 13:21
- 9☽︎ Moon13:21 – 14:11
- 10♄︎ Saturn14:11 – 15:01
- 11♃︎ Jupiter15:01 – 15:51
- 12♂︎ Mars15:51 – 16:41
Night
- 1☉︎ Sun16:41 – 17:51
- 2♀︎ Venus17:51 – 19:01
- 3☿︎ Mercury19:01 – 20:11
- 4☽︎ Moon20:11 – 21:21
- 5♄︎ Saturn21:21 – 22:30
- 6♃︎ Jupiter22:30 – 23:40
- 7♂︎ Mars23:40 – 00:50
- 8☉︎ Sun00:50 – 02:00
- 9♀︎ Venus02:00 – 03:10
- 10☿︎ Mercury03:10 – 04:19
- 11☽︎ Moon04:19 – 05:29
- 12♄︎ Saturn05:29 – 06:39
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Wednesday, 17 February 2027, the Sun rises at 06:41 and sets at 16:41: the day lasts 10h 00m, that is twelve day hours of 50 min. The night, until the next sunrise at 06:39, lasts 13h 58m: twelve night hours of 1h 10m.
Which planet rules the first hour that day?
Mercury, from 06:41 to 07:31: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.