The direct answer: What Is Hora? Planetary Hours Explained: Hora is a Vedic planetary-hour clock counted from local sunrise — a named time-slice, not a universal lucky hour. AskSoma publishes this at asksoma.ai/blog/what-is-hora as a free Vedic astrology resource using Swiss Ephemeris calculations and classical Jyotish interpretation — not generic sun-sign copy.
Hora is a Vedic planetary-hour clock counted from local sunrise — a named time-slice, not a universal lucky hour.
Hora is a planetary-hour clock from local sunrise. The weekday lord names the first daytime slice. A Chaldean cycle then walks the rest of daylight and, after sunset, the night. Night horas are one-twelfth of that night, not copies of day length. AskSoma builds the Sun times from Swiss Ephemeris for the city you enter, on the same Lahiri stack as the daily panchang. A named slice is a label, not a lucky clock. It cannot guarantee a marriage, a job, or a visa.
Midnight does not start this clock. A phone that rolls to Monday at 00:00 has already left the panchang weekday that many houses still count from the previous sunrise. Hora follows the horizon, not the civil date line.
AskSoma computes sunrise for the coordinates you type, from Swiss Ephemeris sun times. The IANA zone of that city stamps the civil labels, including US daylight-saving transitions in Boston and San Jose and British Summer Time in London. Sidereal conversion for the panchang limbs printed beside this overlay uses Lahiri (Chitra Paksha). See /methodology.
That sunrise instant is the left edge of hora 1. The span from sunrise to sunset is cut into twelve equal daytime slices. Slice 1 is the first daytime hora. It is not a lucky hour. It is the first twelfth of local light.
If the city field is still New Delhi and you are standing in San Jose, the first slice belongs to someone else's horizon. You do not need a birth time. You need a place.
The first daytime hora is named for the lord of that weekday. That is a naming rule, not a verdict on the day.
Thursday therefore opens on Jupiter's name. That does not make Thursday a promotion. It does not make the first slice a lucky hour. It tells the cycle where to start.
After the door, the remaining eleven daytime names are not free invention. They walk a fixed seven-planet order. Night keeps walking the same order. The weekday lord does not rename every later slice. Relatives who say Thursday is Guru all day have collapsed the door into the whole clock.
Guru hora is a label for the slice whose ruler is Jupiter. On Thursday that label also sits on the first daytime slot. On other weekdays it arrives when Jupiter's turn comes. The name is not a campaign. This page will not say a Guru hora lands a contract.
The seven names in the wheel are Sun, Moon, Mars, Mercury, Jupiter, Venus, and Saturn. After the weekday lord opens the first slot, the Chaldean cycle assigns the rest in the classical descending-speed order: Sun, Venus, Mercury, Moon, Saturn, Jupiter, Mars, then Sun again. Same seven bodies. A construction sequence, not a league table.
Walk a Thursday. Door: Jupiter. Next: Mars. Next: Sun. Next: Venus. Next: Mercury. Next: Moon. Next: Saturn. Next: Jupiter again. The wheel is short, so names repeat inside one daylight. That repetition is arithmetic, not emphasis. Rahu and Ketu do not take a hora in this table.
Do not read the order as a rise and fall. The sequence is a construction rule so two engines using the same sunrise can print the same twenty-four names.
A site that stamps lucky on Jupiter and avoid on Saturn has left the clock. A glance at one name is a preference. Screening is the job. Forecasting is not.
Sunset is the hinge, not a copy machine.
Day length is sunrise to sunset. Night length is sunset to the next sunrise. Those two spans are equal only near the equinox, and even then only roughly.
A June day in Boston can stretch each daytime slice well past sixty minutes while the night slices shrink. A December night in London does the reverse: short day horas, long night horas. Ahmedabad in June is not Ahmedabad in December. Bengaluru is closer to the equator, so the stretch is milder, but it is still not a sixty-minute grid.
Night horas are not daytime names reused at the same lengths. They are the continuation of the Chaldean wheel, cut from the night span. The thirteenth named slot of the twenty-four starts at sunset. It is one-twelfth of that night. It is not one-twelfth of the day you just finished.
This is the most common construction error after the city error. People copy a 7:10 to 8:10 morning row into the evening and call it the night table. The minutes will be wrong whenever day and night are unequal, which is most of the year in Boston, London, and San Jose.
On one Gregorian Thursday the sky is one sky. The first hora is not one row.
The weekday door travels. Thursday still opens on Jupiter's name in every city. The minutes do not travel. The night lengths do not travel. A WhatsApp forward that says first hora until 7:40 without a city is noise. 7:40 where?
Pasting a Delhi 6:00 to 18:00 grid onto San Jose fails twice: wrong first stamp, wrong slice length. Subtracting five hours and thirty minutes from an IST screenshot does not rebuild day length. Subtraction moves a label. It does not recompute the horizon.
The daily limbs still sit on /panchang. Hora is an overlay, not a fifth limb. It is also not Choghadiya's eight-plus-eight table, not Rahu Kaal's single caution window, and not Abhijit's midday muhurta.
**See today's horas:** /shubh-hora-today.
This is a labeled hypothetical, not a reading of real households and not a prescription of best minutes.
Suppose a Saturday in mid-December in London. Sunrise is late. Sunset is early. Day length may sit near seven and a half hours. Each daytime hora is then a little over thirty-seven minutes. Night is long. Each night hora stretches toward seventy minutes. Saturday's door is Saturn. The Chaldean wheel then walks Jupiter, Mars, Sun, Venus, and the rest through those short day slices and into the long night. A sixty-minute IST card imported from Ahmedabad will misplace every boundary after the first hour.
Now flip the season, not the method. Suppose a Thursday in June in Ahmedabad. Sunrise is early. Day is long. Daytime slices run past sixty minutes. Night slices shrink. Thursday's door is Jupiter. By mid-morning the table has already left that first name. An uncle who forwards a Jupiter-named hour until 7:40 without saying Ahmedabad has hidden the city. A cousin in San Jose on the same civil Thursday has a different sunrise, a different day length, and possibly daylight saving. His first slice was Jupiter too. His minutes were not Ahmedabad's minutes.
Do not invent a shared best minute from this story. Run each city. If the act is a vivah or a griha pravesh, leave this construction page and use /muhurat-finder.
Hora answers which planet name sits on this twelfth. A pleasant name that overlaps Rahu Kaal is not fully clean. Stacking every overlay until no minute survives is anxiety, not piety.
AskSoma computes hora from Swiss Ephemeris sun times with city coordinates and an IANA zone. The panchang limbs next to this overlay use Lahiri ayanamsa. See /methodology.
Soma can narrate the row. Open the twenty-four slots at /shubh-hora-today.
At local sunrise for the city of the act. Midnight is a phone habit. The first slice is the first twelfth of that city's daylight.
The weekday lord. Sunday opens on the Sun, Monday on the Moon, Tuesday on Mars, Wednesday on Mercury, Thursday on Jupiter, Friday on Venus, Saturday on Saturn. Later slots follow the Chaldean cycle. The door is not the whole day.
The seven names are Sun, Moon, Mars, Mercury, Jupiter, Venus, and Saturn. After the weekday door they walk Sun, Venus, Mercury, Moon, Saturn, Jupiter, Mars. It is a construction cycle, not a ranking of lucky hours.
Only near an equinox, and even then only roughly. Night horas are a twelfth of sunset to next sunrise. Day horas are a twelfth of sunrise to sunset. Boston summers and London winters make the gap obvious.
Wrong sunrise, wrong day length, wrong night length, and often the wrong civil zone. Daylight saving slides the labels again. The Chaldean names travel. The minutes do not.
No. You need a date and a place. Birth time belongs to a natal chart, not to this overlay.
No. AskSoma cannot guarantee a marriage, a job, a visa, or anyone's health. A named slice is a label. See /methodology.
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Written by Savan Vyas, founder of AskSoma.
The astrology is not written from memory: every chart position, dasha period and panchang timing AskSoma shows is computed with the Swiss Ephemeris on the Lahiri (Chitrapaksha) ayanamsa. How we calculate.