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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 Tuesday, 12 May 2026: day of Mars

Sunrise
04:37
Sunset
18:34
Next sunrise
04:36

A day hour lasts 1h 10m; a night hour, 50 min. Local time (Asia/Tokyo).

Day

  1. 1♂︎ Mars04:37 – 05:47
  2. 2☉︎ Sun05:47 – 06:57
  3. 3♀︎ Venus06:57 – 08:06
  4. 4☿︎ Mercury08:06 – 09:16
  5. 5☽︎ Moon09:16 – 10:26
  6. 6♄︎ Saturn10:26 – 11:36
  7. 7♃︎ Jupiter11:36 – 12:45
  8. 8♂︎ Mars12:45 – 13:55
  9. 9☉︎ Sun13:55 – 15:05
  10. 10♀︎ Venus15:05 – 16:15
  11. 11☿︎ Mercury16:15 – 17:24
  12. 12☽︎ Moon17:24 – 18:34

Night

  1. 1♄︎ Saturn18:34 – 19:24
  2. 2♃︎ Jupiter19:24 – 20:15
  3. 3♂︎ Mars20:15 – 21:05
  4. 4☉︎ Sun21:05 – 21:55
  5. 5♀︎ Venus21:55 – 22:45
  6. 6☿︎ Mercury22:45 – 23:35
  7. 7☽︎ Moon23:35 – 00:25
  8. 8♄︎ Saturn00:25 – 01:16
  9. 9♃︎ Jupiter01:16 – 02:06
  10. 10♂︎ Mars02:06 – 02:56
  11. 11☉︎ Sun02:56 – 03:46
  12. 12♀︎ Venus03:46 – 04:36

Other cities · Japan

Questions

How are the planetary hours calculated in Chiba?

On Tuesday, 12 May 2026, the Sun rises at 04:37 and sets at 18:34: the day lasts 13h 57m, that is twelve day hours of 1h 10m. The night, until the next sunrise at 04:36, lasts 10h 02m: twelve night hours of 50 min.

Which planet rules the first hour that day?

Mars, from 04:37 to 05:47: 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.

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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.