Planetary hours
in Medan.
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, 2 January 2027: day of Saturn
- Sunrise
- 06:31
- Sunset
- 18:26
- Next sunrise
- 06:31
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Asia/Jakarta).
Day
- 1♄︎ Saturn06:31 – 07:31
- 2♃︎ Jupiter07:31 – 08:30
- 3♂︎ Mars08:30 – 09:30
- 4☉︎ Sun09:30 – 10:29
- 5♀︎ Venus10:29 – 11:29
- 6☿︎ Mercury11:29 – 12:29
- 7☽︎ Moon12:29 – 13:28
- 8♄︎ Saturn13:28 – 14:28
- 9♃︎ Jupiter14:28 – 15:27
- 10♂︎ Mars15:27 – 16:27
- 11☉︎ Sun16:27 – 17:27
- 12♀︎ Venus17:27 – 18:26
Night
- 1☿︎ Mercury18:26 – 19:27
- 2☽︎ Moon19:27 – 20:27
- 3♄︎ Saturn20:27 – 21:28
- 4♃︎ Jupiter21:28 – 22:28
- 5♂︎ Mars22:28 – 23:28
- 6☉︎ Sun23:28 – 00:29
- 7♀︎ Venus00:29 – 01:29
- 8☿︎ Mercury01:29 – 02:30
- 9☽︎ Moon02:30 – 03:30
- 10♄︎ Saturn03:30 – 04:31
- 11♃︎ Jupiter04:31 – 05:31
- 12♂︎ Mars05:31 – 06:31
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Questions
How are the planetary hours calculated in Medan?
On Saturday, 2 January 2027, the Sun rises at 06:31 and sets at 18:26: the day lasts 11h 55m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 06:31, lasts 12h 05m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
Saturn, from 06:31 to 07:31: 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.