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, 4 June 2025: day of Mercury
- Sunrise
- 04:04
- Sunset
- 20:47
- Next sunrise
- 04:04
A day hour lasts 1h 24m; a night hour, 36 min. Local time (Europe/Warsaw).
Day
- 1☿︎ Mercury04:04 – 05:28
- 2☽︎ Moon05:28 – 06:51
- 3♄︎ Saturn06:51 – 08:15
- 4♃︎ Jupiter08:15 – 09:38
- 5♂︎ Mars09:38 – 11:02
- 6☉︎ Sun11:02 – 12:26
- 7♀︎ Venus12:26 – 13:49
- 8☿︎ Mercury13:49 – 15:13
- 9☽︎ Moon15:13 – 16:36
- 10♄︎ Saturn16:36 – 18:00
- 11♃︎ Jupiter18:00 – 19:23
- 12♂︎ Mars19:23 – 20:47
Night
- 1☉︎ Sun20:47 – 21:23
- 2♀︎ Venus21:23 – 22:00
- 3☿︎ Mercury22:00 – 22:36
- 4☽︎ Moon22:36 – 23:12
- 5♄︎ Saturn23:12 – 23:49
- 6♃︎ Jupiter23:49 – 00:25
- 7♂︎ Mars00:25 – 01:02
- 8☉︎ Sun01:02 – 01:38
- 9♀︎ Venus01:38 – 02:14
- 10☿︎ Mercury02:14 – 02:51
- 11☽︎ Moon02:51 – 03:27
- 12♄︎ Saturn03:27 – 04:04
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Wednesday, 4 June 2025, the Sun rises at 04:04 and sets at 20:47: the day lasts 16h 43m, that is twelve day hours of 1h 24m. The night, until the next sunrise at 04:04, lasts 7h 17m: twelve night hours of 36 min.
Which planet rules the first hour that day?
Mercury, from 04:04 to 05:28: 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.