Planetary hours
in Seongnam-si.
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, 25 August 2026: day of Mars
- Sunrise
- 05:55
- Sunset
- 19:11
- Next sunrise
- 05:56
A day hour lasts 1h 06m; a night hour, 54 min. Local time (Asia/Seoul).
Day
- 1♂︎ Mars05:55 – 07:01
- 2☉︎ Sun07:01 – 08:08
- 3♀︎ Venus08:08 – 09:14
- 4☿︎ Mercury09:14 – 10:20
- 5☽︎ Moon10:20 – 11:27
- 6♄︎ Saturn11:27 – 12:33
- 7♃︎ Jupiter12:33 – 13:39
- 8♂︎ Mars13:39 – 14:45
- 9☉︎ Sun14:45 – 15:52
- 10♀︎ Venus15:52 – 16:58
- 11☿︎ Mercury16:58 – 18:04
- 12☽︎ Moon18:04 – 19:11
Night
- 1♄︎ Saturn19:11 – 20:04
- 2♃︎ Jupiter20:04 – 20:58
- 3♂︎ Mars20:58 – 21:52
- 4☉︎ Sun21:52 – 22:46
- 5♀︎ Venus22:46 – 23:39
- 6☿︎ Mercury23:39 – 00:33
- 7☽︎ Moon00:33 – 01:27
- 8♄︎ Saturn01:27 – 02:21
- 9♃︎ Jupiter02:21 – 03:15
- 10♂︎ Mars03:15 – 04:08
- 11☉︎ Sun04:08 – 05:02
- 12♀︎ Venus05:02 – 05:56
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Tuesday, 25 August 2026, the Sun rises at 05:55 and sets at 19:11: the day lasts 13h 16m, that is twelve day hours of 1h 06m. The night, until the next sunrise at 05:56, lasts 10h 45m: twelve night hours of 54 min.
Which planet rules the first hour that day?
Mars, from 05:55 to 07:01: 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.