Planetary hours
in Surabaya.
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 Monday, 1 February 2027: day of the Moon
- Sunrise
- 05:29
- Sunset
- 17:55
- Next sunrise
- 05:30
A day hour lasts 1h 02m; a night hour, 58 min. Local time (Asia/Jakarta).
Day
- 1☽︎ Moon05:29 – 06:31
- 2♄︎ Saturn06:31 – 07:34
- 3♃︎ Jupiter07:34 – 08:36
- 4♂︎ Mars08:36 – 09:38
- 5☉︎ Sun09:38 – 10:40
- 6♀︎ Venus10:40 – 11:42
- 7☿︎ Mercury11:42 – 12:44
- 8☽︎ Moon12:44 – 13:46
- 9♄︎ Saturn13:46 – 14:48
- 10♃︎ Jupiter14:48 – 15:50
- 11♂︎ Mars15:50 – 16:52
- 12☉︎ Sun16:52 – 17:55
Night
- 1♀︎ Venus17:55 – 18:52
- 2☿︎ Mercury18:52 – 19:50
- 3☽︎ Moon19:50 – 20:48
- 4♄︎ Saturn20:48 – 21:46
- 5♃︎ Jupiter21:46 – 22:44
- 6♂︎ Mars22:44 – 23:42
- 7☉︎ Sun23:42 – 00:40
- 8♀︎ Venus00:40 – 01:38
- 9☿︎ Mercury01:38 – 02:36
- 10☽︎ Moon02:36 – 03:34
- 11♄︎ Saturn03:34 – 04:32
- 12♃︎ Jupiter04:32 – 05:30
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Questions
How are the planetary hours calculated in Surabaya?
On Monday, 1 February 2027, the Sun rises at 05:29 and sets at 17:55: the day lasts 12h 25m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 05:30, lasts 11h 35m: twelve night hours of 58 min.
Which planet rules the first hour that day?
The Moon, from 05:29 to 06:31: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon 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.