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, 25 January 2027: day of the Moon
- Sunrise
- 07:49
- Sunset
- 16:37
- Next sunrise
- 07:47
A day hour lasts 44 min; a night hour, 1h 16m. Local time (Europe/London).
Day
- 1☽︎ Moon07:49 – 08:33
- 2♄︎ Saturn08:33 – 09:17
- 3♃︎ Jupiter09:17 – 10:01
- 4♂︎ Mars10:01 – 10:45
- 5☉︎ Sun10:45 – 11:29
- 6♀︎ Venus11:29 – 12:13
- 7☿︎ Mercury12:13 – 12:57
- 8☽︎ Moon12:57 – 13:41
- 9♄︎ Saturn13:41 – 14:25
- 10♃︎ Jupiter14:25 – 15:09
- 11♂︎ Mars15:09 – 15:53
- 12☉︎ Sun15:53 – 16:37
Night
- 1♀︎ Venus16:37 – 17:52
- 2☿︎ Mercury17:52 – 19:08
- 3☽︎ Moon19:08 – 20:24
- 4♄︎ Saturn20:24 – 21:40
- 5♃︎ Jupiter21:40 – 22:56
- 6♂︎ Mars22:56 – 00:12
- 7☉︎ Sun00:12 – 01:28
- 8♀︎ Venus01:28 – 02:44
- 9☿︎ Mercury02:44 – 04:00
- 10☽︎ Moon04:00 – 05:15
- 11♄︎ Saturn05:15 – 06:31
- 12♃︎ Jupiter06:31 – 07:47
Other cities · United Kingdom
Questions
How are the planetary hours calculated in London?
On Monday, 25 January 2027, the Sun rises at 07:49 and sets at 16:37: the day lasts 8h 48m, that is twelve day hours of 44 min. The night, until the next sunrise at 07:47, lasts 15h 11m: twelve night hours of 1h 16m.
Which planet rules the first hour that day?
The Moon, from 07:49 to 08:33: 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.