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 Wednesday, 18 November 2026: day of Mercury
- Sunrise
- 05:00
- Sunset
- 17:27
- Next sunrise
- 05:00
A day hour lasts 1h 02m; a night hour, 58 min. Local time (Asia/Jakarta).
Day
- 1☿︎ Mercury05:00 – 06:02
- 2☽︎ Moon06:02 – 07:04
- 3♄︎ Saturn07:04 – 08:07
- 4♃︎ Jupiter08:07 – 09:09
- 5♂︎ Mars09:09 – 10:11
- 6☉︎ Sun10:11 – 11:14
- 7♀︎ Venus11:14 – 12:16
- 8☿︎ Mercury12:16 – 13:18
- 9☽︎ Moon13:18 – 14:21
- 10♄︎ Saturn14:21 – 15:23
- 11♃︎ Jupiter15:23 – 16:25
- 12♂︎ Mars16:25 – 17:27
Night
- 1☉︎ Sun17:27 – 18:25
- 2♀︎ Venus18:25 – 19:23
- 3☿︎ Mercury19:23 – 20:21
- 4☽︎ Moon20:21 – 21:18
- 5♄︎ Saturn21:18 – 22:16
- 6♃︎ Jupiter22:16 – 23:14
- 7♂︎ Mars23:14 – 00:11
- 8☉︎ Sun00:11 – 01:09
- 9♀︎ Venus01:09 – 02:07
- 10☿︎ Mercury02:07 – 03:04
- 11☽︎ Moon03:04 – 04:02
- 12♄︎ Saturn04:02 – 05:00
Other cities · Indonesia
Questions
How are the planetary hours calculated in Surabaya?
On Wednesday, 18 November 2026, the Sun rises at 05:00 and sets at 17:27: the day lasts 12h 28m, that is twelve day hours of 1h 02m. The night, until the next sunrise at 05:00, lasts 11h 33m: twelve night hours of 58 min.
Which planet rules the first hour that day?
Mercury, from 05:00 to 06:02: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: the Moon, Saturn, Jupiter, Mars, the Sun, Venus, then Mercury 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.