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Planetary hours · Saitama (Japan)

Planetary hours
in Saitama.

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, 23 May 2025: day of Venus

Sunrise
04:30
Sunset
18:46
Next sunrise
04:29

A day hour lasts 1h 11m; a night hour, 49 min. Local time (Asia/Tokyo).

Day

  1. 1♀︎ Venus04:30 – 05:41
  2. 2☿︎ Mercury05:41 – 06:53
  3. 3☽︎ Moon06:53 – 08:04
  4. 4♄︎ Saturn08:04 – 09:15
  5. 5♃︎ Jupiter09:15 – 10:27
  6. 6♂︎ Mars10:27 – 11:38
  7. 7☉︎ Sun11:38 – 12:49
  8. 8♀︎ Venus12:49 – 14:00
  9. 9☿︎ Mercury14:00 – 15:12
  10. 10☽︎ Moon15:12 – 16:23
  11. 11♄︎ Saturn16:23 – 17:34
  12. 12♃︎ Jupiter17:34 – 18:46

Night

  1. 1♂︎ Mars18:46 – 19:34
  2. 2☉︎ Sun19:34 – 20:23
  3. 3♀︎ Venus20:23 – 21:12
  4. 4☿︎ Mercury21:12 – 22:00
  5. 5☽︎ Moon22:00 – 22:49
  6. 6♄︎ Saturn22:49 – 23:38
  7. 7♃︎ Jupiter23:38 – 00:26
  8. 8♂︎ Mars00:26 – 01:15
  9. 9☉︎ Sun01:15 – 02:03
  10. 10♀︎ Venus02:03 – 02:52
  11. 11☿︎ Mercury02:52 – 03:41
  12. 12☽︎ Moon03:41 – 04:29

Other cities · Japan

Questions

How are the planetary hours calculated in Saitama?

On Friday, 23 May 2025, the Sun rises at 04:30 and sets at 18:46: the day lasts 14h 16m, that is twelve day hours of 1h 11m. The night, until the next sunrise at 04:29, lasts 9h 44m: twelve night hours of 49 min.

Which planet rules the first hour that day?

Venus, from 04:30 to 05:41: 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.