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 Friday, 4 July 2025: day of Venus
- Sunrise
- 04:54
- Sunset
- 22:01
- Next sunrise
- 04:55
A day hour lasts 1h 26m; a night hour, 35 min. Local time (Europe/London).
Day
- 1♀︎ Venus04:54 – 06:20
- 2☿︎ Mercury06:20 – 07:45
- 3☽︎ Moon07:45 – 09:11
- 4♄︎ Saturn09:11 – 10:36
- 5♃︎ Jupiter10:36 – 12:02
- 6♂︎ Mars12:02 – 13:27
- 7☉︎ Sun13:27 – 14:53
- 8♀︎ Venus14:53 – 16:18
- 9☿︎ Mercury16:18 – 17:44
- 10☽︎ Moon17:44 – 19:10
- 11♄︎ Saturn19:10 – 20:35
- 12♃︎ Jupiter20:35 – 22:01
Night
- 1♂︎ Mars22:01 – 22:35
- 2☉︎ Sun22:35 – 23:10
- 3♀︎ Venus23:10 – 23:44
- 4☿︎ Mercury23:44 – 00:19
- 5☽︎ Moon00:19 – 00:53
- 6♄︎ Saturn00:53 – 01:28
- 7♃︎ Jupiter01:28 – 02:02
- 8♂︎ Mars02:02 – 02:37
- 9☉︎ Sun02:37 – 03:12
- 10♀︎ Venus03:12 – 03:46
- 11☿︎ Mercury03:46 – 04:21
- 12☽︎ Moon04:21 – 04:55
Other cities · United Kingdom
Questions
How are the planetary hours calculated in Belfast?
On Friday, 4 July 2025, the Sun rises at 04:54 and sets at 22:01: the day lasts 17h 06m, that is twelve day hours of 1h 26m. The night, until the next sunrise at 04:55, lasts 6h 55m: twelve night hours of 35 min.
Which planet rules the first hour that day?
Venus, from 04:54 to 06:20: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.