Yoga is the panchang limb you get by adding the Sun's and Moon's longitudes and splitting the total into 27 parts of 13 degrees 20 minutes. It runs on its own clock, so it changes at different times from tithi and nakshatra. Of the 27 names, Vyatipata and Vaidhriti are the two muhurat rules avoid most firmly, and the rest rarely matter.
Open any panchang and you will find a line that reads something like "Yoga: Siddha, up to 3:14 pm". Most people skim past it on the way to the tithi. It is the least discussed of the five limbs, and it is also the only one that stays unnamed in everyday conversation, which is a bit odd given that it has twenty-seven perfectly good names.
Yoga in a panchang is a time label found by adding the Sun's sidereal longitude to the Moon's and dividing the total into 27 equal parts, each 13 degrees 20 minutes wide. It has nothing to do with the physical practice, and it is not the same thing as a birth chart yoga such as gaja kesari.
What is yoga in a panchang?
It is the fourth of the five limbs. Take the longitude of the Sun and the longitude of the Moon, add them, and ask which 13 degree 20 minute slice of the circle the total falls in. That slice is the yoga, and the almanac prints its name and the moment it ends.
The unit matches a nakshatra exactly, since the zodiac is also cut into 27 parts of 800 arcminutes there. The quantity being measured is different, though. A nakshatra reads the Moon alone, while a yoga reads Moon plus Sun, so the two change at unrelated moments. If you want the whole picture of the limbs first, the five limbs post lays them out side by side.
How long does a yoga last?
On average about 22.6 hours, a little under a day. The Moon moves about 13.18 degrees a day and the Sun about 0.99, so their sum advances by roughly 14.16 degrees daily, and 13 degrees 20 minutes takes about 22.6 hours to cover.
Two small consequences follow. Yogas run slightly faster than nakshatras, which average about 24.3 hours because only the Moon drives them. And the full cycle of 27 yogas takes around 25.4 days, so a given yoga returns a little more than once a month and lands on a different weekday each time. Real durations wobble around these averages because the Moon speeds up and slows down along its orbit, as it does for tithi.
What are the 27 yogas in order?
They run from Vishkambha to Vaidhriti, starting where the Sun and Moon longitudes add up to zero degrees of sidereal Aries. The traditional order is below, and it is the same in every panchang.
Vishkambha, Priti, Ayushman, Saubhagya, Shobhana, Atiganda, Sukarma, Dhriti, Shula, Ganda, Vriddhi, Dhruva, Vyaghata, Harshana, Vajra, Siddhi, Vyatipata, Variyana, Parigha, Shiva, Siddha, Sadhya, Shubha, Shukla, Brahma, Indra and Vaidhriti. Vyatipata is the 17th and Vaidhriti is the 27th and last, which means the cycle ends on a yoga that is itself among the two flagged ones.
Each name carries a meaning in tradition, and almanacs sometimes attach a temperament to the day, such as Priti for affection or Shula for sharpness. Treat those descriptions as part of the folklore. They are not measurements, and nobody has shown that a person born under Shubha is any different from one born under Ganda.
Which yogas do muhurat rules avoid?
Vyatipata and Vaidhriti are the two avoided most firmly for starting something new. Many sources add seven more as unfavourable: Vishkambha, Atiganda, Shula, Ganda, Vyaghata, Vajra and Parigha, which gives nine in all.
In practice the strict rule is mostly applied to those two. When a muhurat looks otherwise fine and a pandit flags the day, the usual culprit is Vyatipata or Vaidhriti running through the chosen hour, and the fix is to move the start to a window where another yoga is in force. A muhurat is a conjunction of several limbs, so yoga is one filter among tithi, nakshatra, karana and weekday.
Some explanations tie the two to the Sun and Moon sitting at equal declination, but we have not checked that against a primary text, so we won't lean on it. What we can say is that Vyatipata covers sidereal sums from 213 degrees 20 minutes to 226 degrees 40 minutes, and Vaidhriti covers the final stretch before the circle closes at 360 degrees.
Why does the ayanamsa matter twice as much here?
Because yoga adds two longitudes, and each one carries the ayanamsa. With the offset near 24.2 degrees today, the sum differs by about 48 degrees between sidereal and tropical figures, which is roughly 3.6 yogas.
That is why a yoga computed with a tropical calculator, or with a quite different ayanamsa setting, can name a completely different yoga on the same afternoon. Tithi is a difference and shrugs off the offset. Yoga doubles it, which is covered in how a panchang is calculated. If two panchangs disagree on yoga, check the ayanamsa setting before you decide either is wrong.
How much weight should you give a yoga?
Very little unless a ritual or family custom asks for it. The arithmetic is sound, but the claim that a particular window helps or harms what you start inside it has no supporting evidence that we know of.
If your family follows muhurat rules, checking the yoga is a reasonable courtesy to tradition, and it takes a minute. If you are choosing a date for something time-critical like surgery or an exam, practical needs come first, and no yoga should override a doctor's schedule. And if reading the panchang is starting to feel like a daily source of dread, that is worth noticing. Astrology is not treatment, and persistent anxiety deserves a conversation with a qualified professional.
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What is yoga in a panchang?
Yoga in a panchang is one of the five limbs, found by adding the Sun's and Moon's sidereal longitudes and dividing the total into 27 equal parts of 13 degrees 20 minutes. Each part has a name, from Vishkambha to Vaidhriti, and the panchang prints whichever one is running along with its end time.
Which yogas are avoided for muhurat?
Vyatipata and Vaidhriti are the two almanac makers avoid most firmly for starting something new. Many sources treat seven others as unfavourable as well: Vishkambha, Atiganda, Shula, Ganda, Vyaghata, Vajra and Parigha. These are traditional rules and there is no evidence that the windows change outcomes.
Is panchang yoga the same as raj yoga or gaja kesari yoga?
No. A panchang yoga is a time-keeping label from a Sun plus Moon calculation and it changes roughly daily. Raj yoga and gaja kesari yoga are placements in a birth chart, described by where particular planets sit relative to each other, and they stay fixed for that chart.