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 Tuesday, 25 August 2026: day of Mars
- Sunrise
- 05:24
- Sunset
- 19:32
- Next sunrise
- 05:26
A day hour lasts 1h 11m; a night hour, 49 min. Local time (Europe/Warsaw).
Day
- 1♂︎ Mars05:24 – 06:35
- 2☉︎ Sun06:35 – 07:46
- 3♀︎ Venus07:46 – 08:56
- 4☿︎ Mercury08:56 – 10:07
- 5☽︎ Moon10:07 – 11:18
- 6♄︎ Saturn11:18 – 12:28
- 7♃︎ Jupiter12:28 – 13:39
- 8♂︎ Mars13:39 – 14:50
- 9☉︎ Sun14:50 – 16:00
- 10♀︎ Venus16:00 – 17:11
- 11☿︎ Mercury17:11 – 18:22
- 12☽︎ Moon18:22 – 19:32
Night
- 1♄︎ Saturn19:32 – 20:22
- 2♃︎ Jupiter20:22 – 21:11
- 3♂︎ Mars21:11 – 22:01
- 4☉︎ Sun22:01 – 22:50
- 5♀︎ Venus22:50 – 23:40
- 6☿︎ Mercury23:40 – 00:29
- 7☽︎ Moon00:29 – 01:19
- 8♄︎ Saturn01:19 – 02:08
- 9♃︎ Jupiter02:08 – 02:58
- 10♂︎ Mars02:58 – 03:47
- 11☉︎ Sun03:47 – 04:37
- 12♀︎ Venus04:37 – 05:26
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Tuesday, 25 August 2026, the Sun rises at 05:24 and sets at 19:32: the day lasts 14h 08m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 05:26, lasts 9h 54m: twelve night hours of 49 min.
Which planet rules the first hour that day?
Mars, from 05:24 to 06:35: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.