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, 7 May 2025: day of Mercury
- Sunrise
- 04:42
- Sunset
- 20:06
- Next sunrise
- 04:40
A day hour lasts 1h 17m; a night hour, 43 min. Local time (Europe/Warsaw).
Day
- 1☿︎ Mercury04:42 – 05:59
- 2☽︎ Moon05:59 – 07:16
- 3♄︎ Saturn07:16 – 08:33
- 4♃︎ Jupiter08:33 – 09:50
- 5♂︎ Mars09:50 – 11:07
- 6☉︎ Sun11:07 – 12:24
- 7♀︎ Venus12:24 – 13:41
- 8☿︎ Mercury13:41 – 14:58
- 9☽︎ Moon14:58 – 16:15
- 10♄︎ Saturn16:15 – 17:32
- 11♃︎ Jupiter17:32 – 18:49
- 12♂︎ Mars18:49 – 20:06
Night
- 1☉︎ Sun20:06 – 20:49
- 2♀︎ Venus20:49 – 21:32
- 3☿︎ Mercury21:32 – 22:15
- 4☽︎ Moon22:15 – 22:57
- 5♄︎ Saturn22:57 – 23:40
- 6♃︎ Jupiter23:40 – 00:23
- 7♂︎ Mars00:23 – 01:06
- 8☉︎ Sun01:06 – 01:49
- 9♀︎ Venus01:49 – 02:31
- 10☿︎ Mercury02:31 – 03:14
- 11☽︎ Moon03:14 – 03:57
- 12♄︎ Saturn03:57 – 04:40
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Wednesday, 7 May 2025, the Sun rises at 04:42 and sets at 20:06: the day lasts 15h 24m, that is twelve day hours of 1h 17m. The night, until the next sunrise at 04:40, lasts 8h 34m: twelve night hours of 43 min.
Which planet rules the first hour that day?
Mercury, from 04:42 to 05:59: 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.