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, 28 December 2026: day of the Moon
- Sunrise
- 08:06
- Sunset
- 15:58
- Next sunrise
- 08:06
A day hour lasts 39 min; a night hour, 1h 21m. Local time (Europe/London).
Day
- 1☽︎ Moon08:06 – 08:45
- 2♄︎ Saturn08:45 – 09:24
- 3♃︎ Jupiter09:24 – 10:04
- 4♂︎ Mars10:04 – 10:43
- 5☉︎ Sun10:43 – 11:22
- 6♀︎ Venus11:22 – 12:02
- 7☿︎ Mercury12:02 – 12:41
- 8☽︎ Moon12:41 – 13:20
- 9♄︎ Saturn13:20 – 14:00
- 10♃︎ Jupiter14:00 – 14:39
- 11♂︎ Mars14:39 – 15:18
- 12☉︎ Sun15:18 – 15:58
Night
- 1♀︎ Venus15:58 – 17:18
- 2☿︎ Mercury17:18 – 18:39
- 3☽︎ Moon18:39 – 20:00
- 4♄︎ Saturn20:00 – 21:20
- 5♃︎ Jupiter21:20 – 22:41
- 6♂︎ Mars22:41 – 00:02
- 7☉︎ Sun00:02 – 01:22
- 8♀︎ Venus01:22 – 02:43
- 9☿︎ Mercury02:43 – 04:04
- 10☽︎ Moon04:04 – 05:24
- 11♄︎ Saturn05:24 – 06:45
- 12♃︎ Jupiter06:45 – 08:06
Other cities · United Kingdom
Questions
How are the planetary hours calculated in London?
On Monday, 28 December 2026, the Sun rises at 08:06 and sets at 15:58: the day lasts 7h 52m, that is twelve day hours of 39 min. The night, until the next sunrise at 08:06, lasts 16h 08m: twelve night hours of 1h 21m.
Which planet rules the first hour that day?
The Moon, from 08:06 to 08:45: 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.