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, 13 October 2026: day of Mars
- Sunrise
- 06:49
- Sunset
- 17:36
- Next sunrise
- 06:51
A day hour lasts 54 min; a night hour, 1h 06m. Local time (Europe/Warsaw).
Day
- 1♂︎ Mars06:49 – 07:43
- 2☉︎ Sun07:43 – 08:37
- 3♀︎ Venus08:37 – 09:31
- 4☿︎ Mercury09:31 – 10:25
- 5☽︎ Moon10:25 – 11:19
- 6♄︎ Saturn11:19 – 12:13
- 7♃︎ Jupiter12:13 – 13:07
- 8♂︎ Mars13:07 – 14:00
- 9☉︎ Sun14:00 – 14:54
- 10♀︎ Venus14:54 – 15:48
- 11☿︎ Mercury15:48 – 16:42
- 12☽︎ Moon16:42 – 17:36
Night
- 1♄︎ Saturn17:36 – 18:42
- 2♃︎ Jupiter18:42 – 19:48
- 3♂︎ Mars19:48 – 20:55
- 4☉︎ Sun20:55 – 22:01
- 5♀︎ Venus22:01 – 23:07
- 6☿︎ Mercury23:07 – 00:14
- 7☽︎ Moon00:14 – 01:20
- 8♄︎ Saturn01:20 – 02:26
- 9♃︎ Jupiter02:26 – 03:32
- 10♂︎ Mars03:32 – 04:39
- 11☉︎ Sun04:39 – 05:45
- 12♀︎ Venus05:45 – 06:51
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Tuesday, 13 October 2026, the Sun rises at 06:49 and sets at 17:36: the day lasts 10h 47m, that is twelve day hours of 54 min. The night, until the next sunrise at 06:51, lasts 13h 15m: twelve night hours of 1h 06m.
Which planet rules the first hour that day?
Mars, from 06:49 to 07:43: 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.