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, 21 April 2027: day of Mercury
- Sunrise
- 05:15
- Sunset
- 19:37
- Next sunrise
- 05:13
A day hour lasts 1h 12m; a night hour, 48 min. Local time (Europe/Warsaw).
Day
- 1☿︎ Mercury05:15 – 06:27
- 2☽︎ Moon06:27 – 07:39
- 3♄︎ Saturn07:39 – 08:51
- 4♃︎ Jupiter08:51 – 10:03
- 5♂︎ Mars10:03 – 11:14
- 6☉︎ Sun11:14 – 12:26
- 7♀︎ Venus12:26 – 13:38
- 8☿︎ Mercury13:38 – 14:50
- 9☽︎ Moon14:50 – 16:02
- 10♄︎ Saturn16:02 – 17:13
- 11♃︎ Jupiter17:13 – 18:25
- 12♂︎ Mars18:25 – 19:37
Night
- 1☉︎ Sun19:37 – 20:25
- 2♀︎ Venus20:25 – 21:13
- 3☿︎ Mercury21:13 – 22:01
- 4☽︎ Moon22:01 – 22:49
- 5♄︎ Saturn22:49 – 23:37
- 6♃︎ Jupiter23:37 – 00:25
- 7♂︎ Mars00:25 – 01:13
- 8☉︎ Sun01:13 – 02:01
- 9♀︎ Venus02:01 – 02:49
- 10☿︎ Mercury02:49 – 03:37
- 11☽︎ Moon03:37 – 04:25
- 12♄︎ Saturn04:25 – 05:13
Other cities · Poland
Questions
How are the planetary hours calculated in Białystok?
On Wednesday, 21 April 2027, the Sun rises at 05:15 and sets at 19:37: the day lasts 14h 22m, that is twelve day hours of 1h 12m. The night, until the next sunrise at 05:13, lasts 9h 36m: twelve night hours of 48 min.
Which planet rules the first hour that day?
Mercury, from 05:15 to 06:27: 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.