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 Tuesday, 1 December 2026: day of Mars
- Sunrise
- 05:02
- Sunset
- 17:33
- Next sunrise
- 05:02
A day hour lasts 1h 03m; a night hour, 57 min. Local time (Asia/Jakarta).
Day
- 1♂︎ Mars05:02 – 06:05
- 2☉︎ Sun06:05 – 07:07
- 3♀︎ Venus07:07 – 08:10
- 4☿︎ Mercury08:10 – 09:12
- 5☽︎ Moon09:12 – 10:15
- 6♄︎ Saturn10:15 – 11:17
- 7♃︎ Jupiter11:17 – 12:20
- 8♂︎ Mars12:20 – 13:23
- 9☉︎ Sun13:23 – 14:25
- 10♀︎ Venus14:25 – 15:28
- 11☿︎ Mercury15:28 – 16:30
- 12☽︎ Moon16:30 – 17:33
Night
- 1♄︎ Saturn17:33 – 18:30
- 2♃︎ Jupiter18:30 – 19:28
- 3♂︎ Mars19:28 – 20:25
- 4☉︎ Sun20:25 – 21:23
- 5♀︎ Venus21:23 – 22:20
- 6☿︎ Mercury22:20 – 23:18
- 7☽︎ Moon23:18 – 00:15
- 8♄︎ Saturn00:15 – 01:12
- 9♃︎ Jupiter01:12 – 02:10
- 10♂︎ Mars02:10 – 03:07
- 11☉︎ Sun03:07 – 04:05
- 12♀︎ Venus04:05 – 05:02
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Questions
How are the planetary hours calculated in Surabaya?
On Tuesday, 1 December 2026, the Sun rises at 05:02 and sets at 17:33: the day lasts 12h 31m, that is twelve day hours of 1h 03m. The night, until the next sunrise at 05:02, lasts 11h 30m: twelve night hours of 57 min.
Which planet rules the first hour that day?
Mars, from 05:02 to 06:05: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Sun, Venus, Mercury, the Moon, Saturn, Jupiter, then Mars 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.