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 Monday, 4 May 2026: day of the Moon
- Sunrise
- 04:48
- Sunset
- 20:01
- Next sunrise
- 04:46
A day hour lasts 1h 16m; a night hour, 44 min. Local time (Europe/Warsaw).
Day
- 1☽︎ Moon04:48 – 06:04
- 2♄︎ Saturn06:04 – 07:20
- 3♃︎ Jupiter07:20 – 08:36
- 4♂︎ Mars08:36 – 09:52
- 5☉︎ Sun09:52 – 11:08
- 6♀︎ Venus11:08 – 12:24
- 7☿︎ Mercury12:24 – 13:40
- 8☽︎ Moon13:40 – 14:56
- 9♄︎ Saturn14:56 – 16:12
- 10♃︎ Jupiter16:12 – 17:28
- 11♂︎ Mars17:28 – 18:45
- 12☉︎ Sun18:45 – 20:01
Night
- 1♀︎ Venus20:01 – 20:44
- 2☿︎ Mercury20:44 – 21:28
- 3☽︎ Moon21:28 – 22:12
- 4♄︎ Saturn22:12 – 22:56
- 5♃︎ Jupiter22:56 – 23:40
- 6♂︎ Mars23:40 – 00:23
- 7☉︎ Sun00:23 – 01:07
- 8♀︎ Venus01:07 – 01:51
- 9☿︎ Mercury01:51 – 02:35
- 10☽︎ Moon02:35 – 03:18
- 11♄︎ Saturn03:18 – 04:02
- 12♃︎ Jupiter04:02 – 04:46
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Monday, 4 May 2026, the Sun rises at 04:48 and sets at 20:01: the day lasts 15h 13m, that is twelve day hours of 1h 16m. The night, until the next sunrise at 04:46, lasts 8h 45m: twelve night hours of 44 min.
Which planet rules the first hour that day?
The Moon, from 04:48 to 06:04: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.