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 Wednesday, 2 December 2026: day of Mercury
- Sunrise
- 05:12
- Sunset
- 17:42
- Next sunrise
- 05:12
A day hour lasts 1h 03m; a night hour, 58 min. Local time (Asia/Jakarta).
Day
- 1☿︎ Mercury05:12 – 06:15
- 2☽︎ Moon06:15 – 07:17
- 3♄︎ Saturn07:17 – 08:20
- 4♃︎ Jupiter08:20 – 09:22
- 5♂︎ Mars09:22 – 10:25
- 6☉︎ Sun10:25 – 11:27
- 7♀︎ Venus11:27 – 12:30
- 8☿︎ Mercury12:30 – 13:32
- 9☽︎ Moon13:32 – 14:35
- 10♄︎ Saturn14:35 – 15:37
- 11♃︎ Jupiter15:37 – 16:40
- 12♂︎ Mars16:40 – 17:42
Night
- 1☉︎ Sun17:42 – 18:40
- 2♀︎ Venus18:40 – 19:37
- 3☿︎ Mercury19:37 – 20:35
- 4☽︎ Moon20:35 – 21:32
- 5♄︎ Saturn21:32 – 22:30
- 6♃︎ Jupiter22:30 – 23:27
- 7♂︎ Mars23:27 – 00:25
- 8☉︎ Sun00:25 – 01:22
- 9♀︎ Venus01:22 – 02:20
- 10☿︎ Mercury02:20 – 03:17
- 11☽︎ Moon03:17 – 04:15
- 12♄︎ Saturn04:15 – 05:12
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Questions
How are the planetary hours calculated in Semarang?
On Wednesday, 2 December 2026, the Sun rises at 05:12 and sets at 17:42: the day lasts 12h 30m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 05:12, lasts 11h 30m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Mercury, from 05:12 to 06:15: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.