Planetary hours
in Jurong West.
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 Saturday, 3 January 2026: day of Saturn
- Sunrise
- 07:08
- Sunset
- 19:10
- Next sunrise
- 07:08
A day hour lasts 1h 00m; a night hour, 1h 00m. Local time (Asia/Singapore).
Day
- 1♄︎ Saturn07:08 – 08:08
- 2♃︎ Jupiter08:08 – 09:08
- 3♂︎ Mars09:08 – 10:08
- 4☉︎ Sun10:08 – 11:09
- 5♀︎ Venus11:09 – 12:09
- 6☿︎ Mercury12:09 – 13:09
- 7☽︎ Moon13:09 – 14:09
- 8♄︎ Saturn14:09 – 15:09
- 9♃︎ Jupiter15:09 – 16:10
- 10♂︎ Mars16:10 – 17:10
- 11☉︎ Sun17:10 – 18:10
- 12♀︎ Venus18:10 – 19:10
Night
- 1☿︎ Mercury19:10 – 20:10
- 2☽︎ Moon20:10 – 21:10
- 3♄︎ Saturn21:10 – 22:10
- 4♃︎ Jupiter22:10 – 23:10
- 5♂︎ Mars23:10 – 00:09
- 6☉︎ Sun00:09 – 01:09
- 7♀︎ Venus01:09 – 02:09
- 8☿︎ Mercury02:09 – 03:09
- 9☽︎ Moon03:09 – 04:09
- 10♄︎ Saturn04:09 – 05:08
- 11♃︎ Jupiter05:08 – 06:08
- 12♂︎ Mars06:08 – 07:08
Other cities · Singapore
Questions
How are the planetary hours calculated in Jurong West?
On Saturday, 3 January 2026, the Sun rises at 07:08 and sets at 19:10: the day lasts 12h 03m, that is twelve day hours of 1h 00m. The night, until the next sunrise at 07:08, lasts 11h 58m: twelve night hours of 1h 00m.
Which planet rules the first hour that day?
Saturn, from 07:08 to 08:08: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.