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Planetary hours · Bologna (Italy)

Planetary hours
in Bologna.

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 Saturday, 1 August 2026: day of Saturn

Sunrise
06:01
Sunset
20:40
Next sunrise
06:02

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

Day

  1. 1♄︎ Saturn06:01 – 07:14
  2. 2♃︎ Jupiter07:14 – 08:27
  3. 3♂︎ Mars08:27 – 09:40
  4. 4☉︎ Sun09:40 – 10:54
  5. 5♀︎ Venus10:54 – 12:07
  6. 6☿︎ Mercury12:07 – 13:20
  7. 7☽︎ Moon13:20 – 14:33
  8. 8♄︎ Saturn14:33 – 15:47
  9. 9♃︎ Jupiter15:47 – 17:00
  10. 10♂︎ Mars17:00 – 18:13
  11. 11☉︎ Sun18:13 – 19:26
  12. 12♀︎ Venus19:26 – 20:40

Night

  1. 1☿︎ Mercury20:40 – 21:26
  2. 2☽︎ Moon21:26 – 22:13
  3. 3♄︎ Saturn22:13 – 23:00
  4. 4♃︎ Jupiter23:00 – 23:47
  5. 5♂︎ Mars23:47 – 00:34
  6. 6☉︎ Sun00:34 – 01:21
  7. 7♀︎ Venus01:21 – 02:08
  8. 8☿︎ Mercury02:08 – 02:54
  9. 9☽︎ Moon02:54 – 03:41
  10. 10♄︎ Saturn03:41 – 04:28
  11. 11♃︎ Jupiter04:28 – 05:15
  12. 12♂︎ Mars05:15 – 06:02

Questions

How are the planetary hours calculated in Bologna?

On Saturday, 1 August 2026, the Sun rises at 06:01 and sets at 20:40: the day lasts 14h 39m, that is twelve day hours of 1h 13m. The night, until the next sunrise at 06:02, lasts 9h 22m: twelve night hours of 47 min.

Which planet rules the first hour that day?

Saturn, from 06:01 to 07:14: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Jupiter, Mars, the Sun, Venus, Mercury, the Moon, then Saturn 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.

My sky on my chart

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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.