Planetary hours
in Ulu Bedok.
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 Sunday, 16 August 2026: day of the Sun
- Sunrise
- 07:03
- Sunset
- 19:13
- Next sunrise
- 07:03
A day hour lasts 1h 01m; a night hour, 59 min. Local time (Asia/Singapore).
Day
- 1☉︎ Sun07:03 – 08:04
- 2♀︎ Venus08:04 – 09:05
- 3☿︎ Mercury09:05 – 10:06
- 4☽︎ Moon10:06 – 11:07
- 5♄︎ Saturn11:07 – 12:07
- 6♃︎ Jupiter12:07 – 13:08
- 7♂︎ Mars13:08 – 14:09
- 8☉︎ Sun14:09 – 15:10
- 9♀︎ Venus15:10 – 16:10
- 10☿︎ Mercury16:10 – 17:11
- 11☽︎ Moon17:11 – 18:12
- 12♄︎ Saturn18:12 – 19:13
Night
- 1♃︎ Jupiter19:13 – 20:12
- 2♂︎ Mars20:12 – 21:11
- 3☉︎ Sun21:11 – 22:10
- 4♀︎ Venus22:10 – 23:10
- 5☿︎ Mercury23:10 – 00:09
- 6☽︎ Moon00:09 – 01:08
- 7♄︎ Saturn01:08 – 02:07
- 8♃︎ Jupiter02:07 – 03:06
- 9♂︎ Mars03:06 – 04:06
- 10☉︎ Sun04:06 – 05:05
- 11♀︎ Venus05:05 – 06:04
- 12☿︎ Mercury06:04 – 07:03
Other cities · Singapore
Questions
How are the planetary hours calculated in Ulu Bedok?
On Sunday, 16 August 2026, the Sun rises at 07:03 and sets at 19:13: the day lasts 12h 09m, that is twelve day hours of 1h 01m. The night, until the next sunrise at 07:03, lasts 11h 50m: twelve night hours of 59 min.
Which planet rules the first hour that day?
The Sun, from 07:03 to 08:04: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Venus, Mercury, the Moon, Saturn, Jupiter, Mars, then the Sun 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.