Planetary hours
in Jurong Town.
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, 1 September 2026: day of Mars
- Sunrise
- 07:01
- Sunset
- 19:09
- Next sunrise
- 07:00
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Singapore).
Day
- 1♂︎ Mars07:01 – 08:01
- 2☉︎ Sun08:01 – 09:02
- 3♀︎ Venus09:02 – 10:03
- 4☿︎ Mercury10:03 – 11:03
- 5☽︎ Moon11:03 – 12:04
- 6♄︎ Saturn12:04 – 13:05
- 7♃︎ Jupiter13:05 – 14:05
- 8♂︎ Mars14:05 – 15:06
- 9☉︎ Sun15:06 – 16:07
- 10♀︎ Venus16:07 – 17:07
- 11☿︎ Mercury17:07 – 18:08
- 12☽︎ Moon18:08 – 19:09
Night
- 1♄︎ Saturn19:09 – 20:08
- 2♃︎ Jupiter20:08 – 21:07
- 3♂︎ Mars21:07 – 22:07
- 4☉︎ Sun22:07 – 23:06
- 5♀︎ Venus23:06 – 00:05
- 6☿︎ Mercury00:05 – 01:05
- 7☽︎ Moon01:05 – 02:04
- 8♄︎ Saturn02:04 – 03:03
- 9♃︎ Jupiter03:03 – 04:02
- 10♂︎ Mars04:02 – 05:02
- 11☉︎ Sun05:02 – 06:01
- 12♀︎ Venus06:01 – 07:00
Other cities · Singapore
Questions
How are the planetary hours calculated in Jurong Town?
On Tuesday, 1 September 2026, the Sun rises at 07:01 and sets at 19:09: the day lasts 12h 08m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 07:00, lasts 11h 52m: twelve night hours of 59 min.
Which planet rules the first hour that day?
Mars, from 07:01 to 08:01: 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.