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 Sunday, 25 October 2026: day of the Sun
- Sunrise
- 06:41
- Sunset
- 16:46
- Next sunrise
- 06:43
A day hour lasts 50 min; a night hour, 1h 10m. Local time (Europe/London).
Day
- 1☉︎ Sun06:41 – 07:32
- 2♀︎ Venus07:32 – 08:22
- 3☿︎ Mercury08:22 – 09:12
- 4☽︎ Moon09:12 – 10:03
- 5♄︎ Saturn10:03 – 10:53
- 6♃︎ Jupiter10:53 – 11:44
- 7♂︎ Mars11:44 – 12:34
- 8☉︎ Sun12:34 – 13:25
- 9♀︎ Venus13:25 – 14:15
- 10☿︎ Mercury14:15 – 15:05
- 11☽︎ Moon15:05 – 15:56
- 12♄︎ Saturn15:56 – 16:46
Night
- 1♃︎ Jupiter16:46 – 17:56
- 2♂︎ Mars17:56 – 19:06
- 3☉︎ Sun19:06 – 20:15
- 4♀︎ Venus20:15 – 21:25
- 5☿︎ Mercury21:25 – 22:35
- 6☽︎ Moon22:35 – 23:45
- 7♄︎ Saturn23:45 – 00:54
- 8♃︎ Jupiter00:54 – 02:04
- 9♂︎ Mars02:04 – 03:14
- 10☉︎ Sun03:14 – 04:23
- 11♀︎ Venus04:23 – 05:33
- 12☿︎ Mercury05:33 – 06:43
Other cities · United Kingdom
Questions
How are the planetary hours calculated in London?
On Sunday, 25 October 2026, the Sun rises at 06:41 and sets at 16:46: the day lasts 10h 05m, that is twelve day hours of 50 min. The night, until the next sunrise at 06:43, lasts 13h 57m: twelve night hours of 1h 10m.
Which planet rules the first hour that day?
The Sun, from 06:41 to 07:32: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.