Planetary hours
in Belfast.
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, 10 September 2026: day of Jupiter
- Sunrise
- 06:47
- Sunset
- 19:53
- Next sunrise
- 06:48
A day hour lasts 1h 05m; a night hour, 55 min. Local time (Europe/London).
Day
- 1♃︎ Jupiter06:47 – 07:52
- 2♂︎ Mars07:52 – 08:58
- 3☉︎ Sun08:58 – 10:03
- 4♀︎ Venus10:03 – 11:09
- 5☿︎ Mercury11:09 – 12:14
- 6☽︎ Moon12:14 – 13:20
- 7♄︎ Saturn13:20 – 14:25
- 8♃︎ Jupiter14:25 – 15:31
- 9♂︎ Mars15:31 – 16:36
- 10☉︎ Sun16:36 – 17:42
- 11♀︎ Venus17:42 – 18:47
- 12☿︎ Mercury18:47 – 19:53
Night
- 1☽︎ Moon19:53 – 20:47
- 2♄︎ Saturn20:47 – 21:42
- 3♃︎ Jupiter21:42 – 22:37
- 4♂︎ Mars22:37 – 23:31
- 5☉︎ Sun23:31 – 00:26
- 6♀︎ Venus00:26 – 01:21
- 7☿︎ Mercury01:21 – 02:15
- 8☽︎ Moon02:15 – 03:10
- 9♄︎ Saturn03:10 – 04:04
- 10♃︎ Jupiter04:04 – 04:59
- 11♂︎ Mars04:59 – 05:54
- 12☉︎ Sun05:54 – 06:48
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Belfast?
On Thursday, 10 September 2026, the Sun rises at 06:47 and sets at 19:53: the day lasts 13h 06m, that is twelve day hours of 1h 05m. The night, until the next sunrise at 06:48, lasts 10h 56m: twelve night hours of 55 min.
Which planet rules the first hour that day?
Jupiter, from 06:47 to 07:52: 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.