Planetary hours
in Semarang.
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 Saturday, 6 February 2027: day of Saturn
- Sunrise
- 05:40
- Sunset
- 18:03
- Next sunrise
- 05:41
A day hour lasts 1h 02m; a night hour, 58 min. Local time (Asia/Jakarta).
Day
- 1♄︎ Saturn05:40 – 06:42
- 2♃︎ Jupiter06:42 – 07:44
- 3♂︎ Mars07:44 – 08:46
- 4☉︎ Sun08:46 – 09:48
- 5♀︎ Venus09:48 – 10:50
- 6☿︎ Mercury10:50 – 11:52
- 7☽︎ Moon11:52 – 12:54
- 8♄︎ Saturn12:54 – 13:56
- 9♃︎ Jupiter13:56 – 14:57
- 10♂︎ Mars14:57 – 15:59
- 11☉︎ Sun15:59 – 17:01
- 12♀︎ Venus17:01 – 18:03
Night
- 1☿︎ Mercury18:03 – 19:01
- 2☽︎ Moon19:01 – 19:59
- 3♄︎ Saturn19:59 – 20:58
- 4♃︎ Jupiter20:58 – 21:56
- 5♂︎ Mars21:56 – 22:54
- 6☉︎ Sun22:54 – 23:52
- 7♀︎ Venus23:52 – 00:50
- 8☿︎ Mercury00:50 – 01:48
- 9☽︎ Moon01:48 – 02:46
- 10♄︎ Saturn02:46 – 03:44
- 11♃︎ Jupiter03:44 – 04:42
- 12♂︎ Mars04:42 – 05:41
Other cities · Indonesia
Questions
How are the planetary hours calculated in Semarang?
On Saturday, 6 February 2027, the Sun rises at 05:40 and sets at 18:03: the day lasts 12h 23m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 05:41, lasts 11h 37m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Saturn, from 05:40 to 06:42: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.