Planetary hours
in Merlo.
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, 9 October 2026: day of Venus
- Sunrise
- 06:20
- Sunset
- 19:04
- Next sunrise
- 06:19
A day hour lasts 1h 04m; a night hour, 56 min. Local time (America/Argentina/Buenos_Aires).
Day
- 1♀︎ Venus06:20 – 07:24
- 2☿︎ Mercury07:24 – 08:27
- 3☽︎ Moon08:27 – 09:31
- 4♄︎ Saturn09:31 – 10:35
- 5♃︎ Jupiter10:35 – 11:38
- 6♂︎ Mars11:38 – 12:42
- 7☉︎ Sun12:42 – 13:46
- 8♀︎ Venus13:46 – 14:49
- 9☿︎ Mercury14:49 – 15:53
- 10☽︎ Moon15:53 – 16:57
- 11♄︎ Saturn16:57 – 18:00
- 12♃︎ Jupiter18:00 – 19:04
Night
- 1♂︎ Mars19:04 – 20:00
- 2☉︎ Sun20:00 – 20:56
- 3♀︎ Venus20:56 – 21:53
- 4☿︎ Mercury21:53 – 22:49
- 5☽︎ Moon22:49 – 23:45
- 6♄︎ Saturn23:45 – 00:41
- 7♃︎ Jupiter00:41 – 01:37
- 8♂︎ Mars01:37 – 02:34
- 9☉︎ Sun02:34 – 03:30
- 10♀︎ Venus03:30 – 04:26
- 11☿︎ Mercury04:26 – 05:22
- 12☽︎ Moon05:22 – 06:19
Other cities · Argentina
Questions
How are the planetary hours calculated in Merlo?
On Friday, 9 October 2026, the Sun rises at 06:20 and sets at 19:04: the day lasts 12h 44m, that is twelve day hours of 1h 04m. The night, until the next sunrise at 06:19, lasts 11h 15m: twelve night hours of 56 min.
Which planet rules the first hour that day?
Venus, from 06:20 to 07:24: 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.
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.