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, 28 April 2026: day of Mars
- Sunrise
- 05:40
- Sunset
- 19:18
- Next sunrise
- 05:39
A day hour lasts 1h 08m; a night hour, 52 min. Local time (Asia/Seoul).
Day
- 1♂︎ Mars05:40 – 06:48
- 2☉︎ Sun06:48 – 07:56
- 3♀︎ Venus07:56 – 09:04
- 4☿︎ Mercury09:04 – 10:13
- 5☽︎ Moon10:13 – 11:21
- 6♄︎ Saturn11:21 – 12:29
- 7♃︎ Jupiter12:29 – 13:37
- 8♂︎ Mars13:37 – 14:45
- 9☉︎ Sun14:45 – 15:53
- 10♀︎ Venus15:53 – 17:01
- 11☿︎ Mercury17:01 – 18:09
- 12☽︎ Moon18:09 – 19:18
Night
- 1♄︎ Saturn19:18 – 20:09
- 2♃︎ Jupiter20:09 – 21:01
- 3♂︎ Mars21:01 – 21:53
- 4☉︎ Sun21:53 – 22:45
- 5♀︎ Venus22:45 – 23:36
- 6☿︎ Mercury23:36 – 00:28
- 7☽︎ Moon00:28 – 01:20
- 8♄︎ Saturn01:20 – 02:12
- 9♃︎ Jupiter02:12 – 03:03
- 10♂︎ Mars03:03 – 03:55
- 11☉︎ Sun03:55 – 04:47
- 12♀︎ Venus04:47 – 05:39
Other cities · South Korea
Questions
How are the planetary hours calculated in Seongnam-si?
On Tuesday, 28 April 2026, the Sun rises at 05:40 and sets at 19:18: the day lasts 13h 38m, that is twelve day hours of 1h 08m. The night, until the next sunrise at 05:39, lasts 10h 21m: twelve night hours of 52 min.
Which planet rules the first hour that day?
Mars, from 05:40 to 06:48: 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.