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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 Tuesday, 26 August 2025: day of Mars

Sunrise
05:00
Sunset
18:15
Next sunrise
05:01

A day hour lasts 1h 06m; a night hour, 54 min. Local time (Asia/Tokyo).

Day

  1. 1♂︎ Mars05:00 – 06:06
  2. 2☉︎ Sun06:06 – 07:13
  3. 3♀︎ Venus07:13 – 08:19
  4. 4☿︎ Mercury08:19 – 09:25
  5. 5☽︎ Moon09:25 – 10:31
  6. 6♄︎ Saturn10:31 – 11:38
  7. 7♃︎ Jupiter11:38 – 12:44
  8. 8♂︎ Mars12:44 – 13:50
  9. 9☉︎ Sun13:50 – 14:56
  10. 10♀︎ Venus14:56 – 16:03
  11. 11☿︎ Mercury16:03 – 17:09
  12. 12☽︎ Moon17:09 – 18:15

Night

  1. 1♄︎ Saturn18:15 – 19:09
  2. 2♃︎ Jupiter19:09 – 20:03
  3. 3♂︎ Mars20:03 – 20:56
  4. 4☉︎ Sun20:56 – 21:50
  5. 5♀︎ Venus21:50 – 22:44
  6. 6☿︎ Mercury22:44 – 23:38
  7. 7☽︎ Moon23:38 – 00:32
  8. 8♄︎ Saturn00:32 – 01:26
  9. 9♃︎ Jupiter01:26 – 02:19
  10. 10♂︎ Mars02:19 – 03:13
  11. 11☉︎ Sun03:13 – 04:07
  12. 12♀︎ Venus04:07 – 05:01

Other cities · Japan

Questions

How are the planetary hours calculated in Sendai?

On Tuesday, 26 August 2025, the Sun rises at 05:00 and sets at 18:15: the day lasts 13h 15m, that is twelve day hours of 1h 06m. The night, until the next sunrise at 05:01, lasts 10h 46m: twelve night hours of 54 min.

Which planet rules the first hour that day?

Mars, from 05:00 to 06:06: 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.