Planetary hours
in Chiba.
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, 8 August 2026: day of Saturn
- Sunrise
- 04:52
- Sunset
- 18:37
- Next sunrise
- 04:53
A day hour lasts 1h 09m; a night hour, 51 min. Local time (Asia/Tokyo).
Day
- 1♄︎ Saturn04:52 – 06:01
- 2♃︎ Jupiter06:01 – 07:10
- 3♂︎ Mars07:10 – 08:18
- 4☉︎ Sun08:18 – 09:27
- 5♀︎ Venus09:27 – 10:36
- 6☿︎ Mercury10:36 – 11:44
- 7☽︎ Moon11:44 – 12:53
- 8♄︎ Saturn12:53 – 14:02
- 9♃︎ Jupiter14:02 – 15:11
- 10♂︎ Mars15:11 – 16:19
- 11☉︎ Sun16:19 – 17:28
- 12♀︎ Venus17:28 – 18:37
Night
- 1☿︎ Mercury18:37 – 19:28
- 2☽︎ Moon19:28 – 20:19
- 3♄︎ Saturn20:19 – 21:11
- 4♃︎ Jupiter21:11 – 22:02
- 5♂︎ Mars22:02 – 22:54
- 6☉︎ Sun22:54 – 23:45
- 7♀︎ Venus23:45 – 00:36
- 8☿︎ Mercury00:36 – 01:28
- 9☽︎ Moon01:28 – 02:19
- 10♄︎ Saturn02:19 – 03:10
- 11♃︎ Jupiter03:10 – 04:02
- 12♂︎ Mars04:02 – 04:53
Questions
How are the planetary hours calculated in Chiba?
On Saturday, 8 August 2026, the Sun rises at 04:52 and sets at 18:37: the day lasts 13h 44m, that is twelve day hours of 1h 09m. The night, until the next sunrise at 04:53, lasts 10h 16m: twelve night hours of 51 min.
Which planet rules the first hour that day?
Saturn, from 04:52 to 06:01: 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.