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 Thursday, 15 October 2026: day of Jupiter
- Sunrise
- 07:24
- Sunset
- 18:07
- Next sunrise
- 07:26
A day hour lasts 54 min; a night hour, 1h 07m. Local time (Europe/London).
Day
- 1♃︎ Jupiter07:24 – 08:17
- 2♂︎ Mars08:17 – 09:11
- 3☉︎ Sun09:11 – 10:05
- 4♀︎ Venus10:05 – 10:58
- 5☿︎ Mercury10:58 – 11:52
- 6☽︎ Moon11:52 – 12:45
- 7♄︎ Saturn12:45 – 13:39
- 8♃︎ Jupiter13:39 – 14:33
- 9♂︎ Mars14:33 – 15:26
- 10☉︎ Sun15:26 – 16:20
- 11♀︎ Venus16:20 – 17:13
- 12☿︎ Mercury17:13 – 18:07
Night
- 1☽︎ Moon18:07 – 19:13
- 2♄︎ Saturn19:13 – 20:20
- 3♃︎ Jupiter20:20 – 21:27
- 4♂︎ Mars21:27 – 22:33
- 5☉︎ Sun22:33 – 23:40
- 6♀︎ Venus23:40 – 00:46
- 7☿︎ Mercury00:46 – 01:53
- 8☽︎ Moon01:53 – 02:59
- 9♄︎ Saturn02:59 – 04:06
- 10♃︎ Jupiter04:06 – 05:12
- 11♂︎ Mars05:12 – 06:19
- 12☉︎ Sun06:19 – 07:26
Other cities · United Kingdom
Questions
How are the planetary hours calculated in London?
On Thursday, 15 October 2026, the Sun rises at 07:24 and sets at 18:07: the day lasts 10h 43m, that is twelve day hours of 54 min. The night, until the next sunrise at 07:26, lasts 13h 19m: twelve night hours of 1h 07m.
Which planet rules the first hour that day?
Jupiter, from 07:24 to 08:17: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mars, the Sun, Venus, Mercury, the Moon, Saturn, then Jupiter 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.