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Planetary hours · Sendai (Japan)

Planetary hours
in Sendai.

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, 31 May 2026: day of the Sun

Sunrise
04:15
Sunset
18:53
Next sunrise
04:15

A day hour lasts 1h 13m; a night hour, 47 min. Local time (Asia/Tokyo).

Day

  1. 1☉︎ Sun04:15 – 05:28
  2. 2♀︎ Venus05:28 – 06:41
  3. 3☿︎ Mercury06:41 – 07:54
  4. 4☽︎ Moon07:54 – 09:08
  5. 5♄︎ Saturn09:08 – 10:21
  6. 6♃︎ Jupiter10:21 – 11:34
  7. 7♂︎ Mars11:34 – 12:47
  8. 8☉︎ Sun12:47 – 14:00
  9. 9♀︎ Venus14:00 – 15:13
  10. 10☿︎ Mercury15:13 – 16:26
  11. 11☽︎ Moon16:26 – 17:40
  12. 12♄︎ Saturn17:40 – 18:53

Night

  1. 1♃︎ Jupiter18:53 – 19:40
  2. 2♂︎ Mars19:40 – 20:26
  3. 3☉︎ Sun20:26 – 21:13
  4. 4♀︎ Venus21:13 – 22:00
  5. 5☿︎ Mercury22:00 – 22:47
  6. 6☽︎ Moon22:47 – 23:34
  7. 7♄︎ Saturn23:34 – 00:20
  8. 8♃︎ Jupiter00:20 – 01:07
  9. 9♂︎ Mars01:07 – 01:54
  10. 10☉︎ Sun01:54 – 02:41
  11. 11♀︎ Venus02:41 – 03:28
  12. 12☿︎ Mercury03:28 – 04:15

Other cities · Japan

Questions

How are the planetary hours calculated in Sendai?

On Sunday, 31 May 2026, the Sun rises at 04:15 and sets at 18:53: the day lasts 14h 38m, that is twelve day hours of 1h 13m. The night, until the next sunrise at 04:15, lasts 9h 22m: twelve night hours of 47 min.

Which planet rules the first hour that day?

The Sun, from 04:15 to 05:28: 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.

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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.