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 Sunday, 25 May 2025: day of the Sun
- Sunrise
- 04:14
- Sunset
- 20:35
- Next sunrise
- 04:13
A day hour lasts 1h 22m; a night hour, 38 min. Local time (Europe/Warsaw).
Day
- 1☉︎ Sun04:14 – 05:36
- 2♀︎ Venus05:36 – 06:57
- 3☿︎ Mercury06:57 – 08:19
- 4☽︎ Moon08:19 – 09:41
- 5♄︎ Saturn09:41 – 11:03
- 6♃︎ Jupiter11:03 – 12:24
- 7♂︎ Mars12:24 – 13:46
- 8☉︎ Sun13:46 – 15:08
- 9♀︎ Venus15:08 – 16:29
- 10☿︎ Mercury16:29 – 17:51
- 11☽︎ Moon17:51 – 19:13
- 12♄︎ Saturn19:13 – 20:35
Night
- 1♃︎ Jupiter20:35 – 21:13
- 2♂︎ Mars21:13 – 21:51
- 3☉︎ Sun21:51 – 22:29
- 4♀︎ Venus22:29 – 23:07
- 5☿︎ Mercury23:07 – 23:46
- 6☽︎ Moon23:46 – 00:24
- 7♄︎ Saturn00:24 – 01:02
- 8♃︎ Jupiter01:02 – 01:40
- 9♂︎ Mars01:40 – 02:18
- 10☉︎ Sun02:18 – 02:56
- 11♀︎ Venus02:56 – 03:35
- 12☿︎ Mercury03:35 – 04:13
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Sunday, 25 May 2025, the Sun rises at 04:14 and sets at 20:35: the day lasts 16h 21m, that is twelve day hours of 1h 22m. The night, until the next sunrise at 04:13, lasts 7h 38m: twelve night hours of 38 min.
Which planet rules the first hour that day?
The Sun, from 04:14 to 05:36: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.