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 Sunday, 2 August 2026: day of the Sun
- Sunrise
- 05:41
- Sunset
- 17:29
- Next sunrise
- 05:40
A day hour lasts 59 min; a night hour, 1h 01m. Local time (Asia/Jakarta).
Day
- 1☉︎ Sun05:41 – 06:40
- 2♀︎ Venus06:40 – 07:39
- 3☿︎ Mercury07:39 – 08:38
- 4☽︎ Moon08:38 – 09:37
- 5♄︎ Saturn09:37 – 10:36
- 6♃︎ Jupiter10:36 – 11:35
- 7♂︎ Mars11:35 – 12:34
- 8☉︎ Sun12:34 – 13:33
- 9♀︎ Venus13:33 – 14:32
- 10☿︎ Mercury14:32 – 15:31
- 11☽︎ Moon15:31 – 16:30
- 12♄︎ Saturn16:30 – 17:29
Night
- 1♃︎ Jupiter17:29 – 18:30
- 2♂︎ Mars18:30 – 19:31
- 3☉︎ Sun19:31 – 20:32
- 4♀︎ Venus20:32 – 21:33
- 5☿︎ Mercury21:33 – 22:34
- 6☽︎ Moon22:34 – 23:35
- 7♄︎ Saturn23:35 – 00:36
- 8♃︎ Jupiter00:36 – 01:37
- 9♂︎ Mars01:37 – 02:38
- 10☉︎ Sun02:38 – 03:39
- 11♀︎ Venus03:39 – 04:40
- 12☿︎ Mercury04:40 – 05:40
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Questions
How are the planetary hours calculated in Surabaya?
On Sunday, 2 August 2026, the Sun rises at 05:41 and sets at 17:29: the day lasts 11h 48m, that is twelve day hours of 59 min. The night, until the next sunrise at 05:40, lasts 12h 11m: twelve night hours of 1h 01m.
Which planet rules the first hour that day?
The Sun, from 05:41 to 06:40: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.