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, 5 October 2026: day of the Moon
- Sunrise
- 05:11
- Sunset
- 17:23
- Next sunrise
- 05:11
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Jakarta).
Day
- 1☽︎ Moon05:11 – 06:12
- 2♄︎ Saturn06:12 – 07:13
- 3♃︎ Jupiter07:13 – 08:14
- 4♂︎ Mars08:14 – 09:15
- 5☉︎ Sun09:15 – 10:16
- 6♀︎ Venus10:16 – 11:17
- 7☿︎ Mercury11:17 – 12:18
- 8☽︎ Moon12:18 – 13:19
- 9♄︎ Saturn13:19 – 14:20
- 10♃︎ Jupiter14:20 – 15:21
- 11♂︎ Mars15:21 – 16:22
- 12☉︎ Sun16:22 – 17:23
Night
- 1♀︎ Venus17:23 – 18:22
- 2☿︎ Mercury18:22 – 19:21
- 3☽︎ Moon19:21 – 20:20
- 4♄︎ Saturn20:20 – 21:19
- 5♃︎ Jupiter21:19 – 22:18
- 6♂︎ Mars22:18 – 23:17
- 7☉︎ Sun23:17 – 00:16
- 8♀︎ Venus00:16 – 01:15
- 9☿︎ Mercury01:15 – 02:14
- 10☽︎ Moon02:14 – 03:13
- 11♄︎ Saturn03:13 – 04:12
- 12♃︎ Jupiter04:12 – 05:11
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Questions
How are the planetary hours calculated in Surabaya?
On Monday, 5 October 2026, the Sun rises at 05:11 and sets at 17:23: the day lasts 12h 11m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 05:11, lasts 11h 48m: twelve night hours of 59 min.
Which planet rules the first hour that day?
The Moon, from 05:11 to 06:12: 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.