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Planetary hours · Chiba (Japan)

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 Friday, 5 September 2025: day of Venus

Sunrise
05:14
Sunset
18:01
Next sunrise
05:15

A day hour lasts 1h 04m; a night hour, 56 min. Local time (Asia/Tokyo).

Day

  1. 1♀︎ Venus05:14 – 06:18
  2. 2☿︎ Mercury06:18 – 07:22
  3. 3☽︎ Moon07:22 – 08:26
  4. 4♄︎ Saturn08:26 – 09:30
  5. 5♃︎ Jupiter09:30 – 10:34
  6. 6♂︎ Mars10:34 – 11:37
  7. 7☉︎ Sun11:37 – 12:41
  8. 8♀︎ Venus12:41 – 13:45
  9. 9☿︎ Mercury13:45 – 14:49
  10. 10☽︎ Moon14:49 – 15:53
  11. 11♄︎ Saturn15:53 – 16:57
  12. 12♃︎ Jupiter16:57 – 18:01

Night

  1. 1♂︎ Mars18:01 – 18:57
  2. 2☉︎ Sun18:57 – 19:53
  3. 3♀︎ Venus19:53 – 20:49
  4. 4☿︎ Mercury20:49 – 21:46
  5. 5☽︎ Moon21:46 – 22:42
  6. 6♄︎ Saturn22:42 – 23:38
  7. 7♃︎ Jupiter23:38 – 00:34
  8. 8♂︎ Mars00:34 – 01:30
  9. 9☉︎ Sun01:30 – 02:26
  10. 10♀︎ Venus02:26 – 03:22
  11. 11☿︎ Mercury03:22 – 04:19
  12. 12☽︎ Moon04:19 – 05:15

Other cities · Japan

Questions

How are the planetary hours calculated in Chiba?

On Friday, 5 September 2025, the Sun rises at 05:14 and sets at 18:01: the day lasts 12h 47m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 05:15, lasts 11h 14m: twelve night hours of 56 min.

Which planet rules the first hour that day?

Venus, from 05:14 to 06:18: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Mercury, the Moon, Saturn, Jupiter, Mars, the Sun, then Venus 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.

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Calendars

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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.