Planetary hours
in Cardiff.
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, 10 January 2027: day of the Sun
- Sunrise
- 08:15
- Sunset
- 16:25
- Next sunrise
- 08:14
A day hour lasts 41 min; a night hour, 1h 19m. Local time (Europe/London).
Day
- 1☉︎ Sun08:15 – 08:56
- 2♀︎ Venus08:56 – 09:36
- 3☿︎ Mercury09:36 – 10:17
- 4☽︎ Moon10:17 – 10:58
- 5♄︎ Saturn10:58 – 11:39
- 6♃︎ Jupiter11:39 – 12:20
- 7♂︎ Mars12:20 – 13:01
- 8☉︎ Sun13:01 – 13:42
- 9♀︎ Venus13:42 – 14:22
- 10☿︎ Mercury14:22 – 15:03
- 11☽︎ Moon15:03 – 15:44
- 12♄︎ Saturn15:44 – 16:25
Night
- 1♃︎ Jupiter16:25 – 17:44
- 2♂︎ Mars17:44 – 19:03
- 3☉︎ Sun19:03 – 20:22
- 4♀︎ Venus20:22 – 21:41
- 5☿︎ Mercury21:41 – 23:00
- 6☽︎ Moon23:00 – 00:20
- 7♄︎ Saturn00:20 – 01:39
- 8♃︎ Jupiter01:39 – 02:58
- 9♂︎ Mars02:58 – 04:17
- 10☉︎ Sun04:17 – 05:36
- 11♀︎ Venus05:36 – 06:55
- 12☿︎ Mercury06:55 – 08:14
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Cardiff?
On Sunday, 10 January 2027, the Sun rises at 08:15 and sets at 16:25: the day lasts 8h 10m, that is twelve day hours of 41 min. The night, until the next sunrise at 08:14, lasts 15h 49m: twelve night hours of 1h 19m.
Which planet rules the first hour that day?
The Sun, from 08:15 to 08:56: 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.