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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 Friday, 8 May 2026: day of Venus

Sunrise
04:32
Sunset
18:33
Next sunrise
04:31

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

Day

  1. 1♀︎ Venus04:32 – 05:42
  2. 2☿︎ Mercury05:42 – 06:52
  3. 3☽︎ Moon06:52 – 08:03
  4. 4♄︎ Saturn08:03 – 09:13
  5. 5♃︎ Jupiter09:13 – 10:23
  6. 6♂︎ Mars10:23 – 11:33
  7. 7☉︎ Sun11:33 – 12:43
  8. 8♀︎ Venus12:43 – 13:53
  9. 9☿︎ Mercury13:53 – 15:03
  10. 10☽︎ Moon15:03 – 16:13
  11. 11♄︎ Saturn16:13 – 17:23
  12. 12♃︎ Jupiter17:23 – 18:33

Night

  1. 1♂︎ Mars18:33 – 19:23
  2. 2☉︎ Sun19:23 – 20:13
  3. 3♀︎ Venus20:13 – 21:03
  4. 4☿︎ Mercury21:03 – 21:53
  5. 5☽︎ Moon21:53 – 22:43
  6. 6♄︎ Saturn22:43 – 23:32
  7. 7♃︎ Jupiter23:32 – 00:22
  8. 8♂︎ Mars00:22 – 01:12
  9. 9☉︎ Sun01:12 – 02:02
  10. 10♀︎ Venus02:02 – 02:52
  11. 11☿︎ Mercury02:52 – 03:41
  12. 12☽︎ Moon03:41 – 04:31

Other cities · Japan

Questions

How are the planetary hours calculated in Sendai?

On Friday, 8 May 2026, the Sun rises at 04:32 and sets at 18:33: the day lasts 14h 01m, that is twelve day hours of 1h 10m. The night, until the next sunrise at 04:31, lasts 9h 58m: twelve night hours of 50 min.

Which planet rules the first hour that day?

Venus, from 04:32 to 05:42: 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.