Planetary hours
in Saint Petersburg.
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, 19 January 2027: day of Mars
- Sunrise
- 09:39
- Sunset
- 16:39
- Next sunrise
- 09:38
A day hour lasts 35 min; a night hour, 1h 25m. Local time (Europe/Moscow).
Day
- 1♂︎ Mars09:39 – 10:14
- 2☉︎ Sun10:14 – 10:49
- 3♀︎ Venus10:49 – 11:24
- 4☿︎ Mercury11:24 – 11:59
- 5☽︎ Moon11:59 – 12:34
- 6♄︎ Saturn12:34 – 13:09
- 7♃︎ Jupiter13:09 – 13:44
- 8♂︎ Mars13:44 – 14:19
- 9☉︎ Sun14:19 – 14:54
- 10♀︎ Venus14:54 – 15:29
- 11☿︎ Mercury15:29 – 16:04
- 12☽︎ Moon16:04 – 16:39
Night
- 1♄︎ Saturn16:39 – 18:04
- 2♃︎ Jupiter18:04 – 19:29
- 3♂︎ Mars19:29 – 20:54
- 4☉︎ Sun20:54 – 22:19
- 5♀︎ Venus22:19 – 23:43
- 6☿︎ Mercury23:43 – 01:08
- 7☽︎ Moon01:08 – 02:33
- 8♄︎ Saturn02:33 – 03:58
- 9♃︎ Jupiter03:58 – 05:23
- 10♂︎ Mars05:23 – 06:48
- 11☉︎ Sun06:48 – 08:13
- 12♀︎ Venus08:13 – 09:38
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Questions
How are the planetary hours calculated in Saint Petersburg?
On Tuesday, 19 January 2027, the Sun rises at 09:39 and sets at 16:39: the day lasts 7h 00m, that is twelve day hours of 35 min. The night, until the next sunrise at 09:38, lasts 16h 59m: twelve night hours of 1h 25m.
Which planet rules the first hour that day?
Mars, from 09:39 to 10:14: 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.
On a computer? Scan this code with your phone.
Calendars
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.