Planetary hours
in London.
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, 11 January 2027: day of the Moon
- Sunrise
- 08:02
- Sunset
- 16:14
- Next sunrise
- 08:01
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/London).
Day
- 1☽︎ Moon08:02 – 08:43
- 2♄︎ Saturn08:43 – 09:24
- 3♃︎ Jupiter09:24 – 10:05
- 4♂︎ Mars10:05 – 10:46
- 5☉︎ Sun10:46 – 11:27
- 6♀︎ Venus11:27 – 12:08
- 7☿︎ Mercury12:08 – 12:49
- 8☽︎ Moon12:49 – 13:30
- 9♄︎ Saturn13:30 – 14:11
- 10♃︎ Jupiter14:11 – 14:52
- 11♂︎ Mars14:52 – 15:33
- 12☉︎ Sun15:33 – 16:14
Night
- 1♀︎ Venus16:14 – 17:33
- 2☿︎ Mercury17:33 – 18:52
- 3☽︎ Moon18:52 – 20:11
- 4♄︎ Saturn20:11 – 21:30
- 5♃︎ Jupiter21:30 – 22:49
- 6♂︎ Mars22:49 – 00:08
- 7☉︎ Sun00:08 – 01:27
- 8♀︎ Venus01:27 – 02:46
- 9☿︎ Mercury02:46 – 04:05
- 10☽︎ Moon04:05 – 05:24
- 11♄︎ Saturn05:24 – 06:42
- 12♃︎ Jupiter06:42 – 08:01
Other cities · United Kingdom
Questions
How are the planetary hours calculated in London?
On Monday, 11 January 2027, the Sun rises at 08:02 and sets at 16:14: the day lasts 8h 12m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:01, lasts 15h 47m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
The Moon, from 08:02 to 08:43: 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.