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 Wednesday, 16 September 2026: day of Mercury
- Sunrise
- 06:56
- Sunset
- 19:03
- Next sunrise
- 06:56
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Singapore).
Day
- 1☿︎ Mercury06:56 – 07:57
- 2☽︎ Moon07:57 – 08:57
- 3♄︎ Saturn08:57 – 09:58
- 4♃︎ Jupiter09:58 – 10:58
- 5♂︎ Mars10:58 – 11:59
- 6☉︎ Sun11:59 – 13:00
- 7♀︎ Venus13:00 – 14:00
- 8☿︎ Mercury14:00 – 15:01
- 9☽︎ Moon15:01 – 16:01
- 10♄︎ Saturn16:01 – 17:02
- 11♃︎ Jupiter17:02 – 18:02
- 12♂︎ Mars18:02 – 19:03
Night
- 1☉︎ Sun19:03 – 20:02
- 2♀︎ Venus20:02 – 21:02
- 3☿︎ Mercury21:02 – 22:01
- 4☽︎ Moon22:01 – 23:01
- 5♄︎ Saturn23:01 – 00:00
- 6♃︎ Jupiter00:00 – 00:59
- 7♂︎ Mars00:59 – 01:59
- 8☉︎ Sun01:59 – 02:58
- 9♀︎ Venus02:58 – 03:58
- 10☿︎ Mercury03:58 – 04:57
- 11☽︎ Moon04:57 – 05:56
- 12♄︎ Saturn05:56 – 06:56
Other cities · Singapore
Questions
How are the planetary hours calculated in Jurong West?
On Wednesday, 16 September 2026, the Sun rises at 06:56 and sets at 19:03: the day lasts 12h 07m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 06:56, lasts 11h 53m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Mercury, from 06:56 to 07:57: 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.