Guru Purnima
Also called Vyasa Purnima
Vyasa Purnima, the teacher's full moon, and the first of the rains.
When it falls
Sunday, 18 July 2027
By the sunrise at Har Ki Pauri, Haridwar
- The rule
- Ashadha Shukla Purnima
- Which day
- Sunrise (udaya-vyapini)
- The day on which the tithi is running at sunrise at the ghat, with the usual fallback when a tithi touches no sunrise.
- Weight
- A major occasion
- Returns
- Once a year
What it is
Guru Purnima is the full moon of Ashadha, the day of Vyasa, who arranged the Vedas, and of every teacher after him. It is the first full moon of the monsoon and the day the Kanwar month begins the morning after: from here the pilgrims start walking to Haridwar for the Ganga water they will carry home. It is a bathing morning at every ghat, and at Haridwar the beginning of the fullest weeks of the year. The date is the day the tithi runs at sunrise.
Where it is kept
Three of the six waters.
Ganga
Har Ki Pauri, Haridwar
Purnimanta reckoning
The eve of the Kanwar Yatra.
Triveni Sangam
Sangam, Prayagraj
Purnimanta reckoning
At the Sangam the day is one of the bathing days of the year.
Godavari
Ram Kund, Nashik
Amanta reckoning
Trimbak, at the Godavari's source, is a Guru Purnima place.
The windows
Brahma Muhurat
about 48 minutes
From sunrise
- Definition
- Two muhurtas of the night before sunrise, until one muhurta before it. A night muhurta is a fifteenth of the night, about 48 minutes at the equinox and longer in winter.
Brahma Muhurat falls before sunrise, so it belongs to the panchang day that opened at the previous sunrise, and the Gregorian date beside it is the next day. The calendar keeps the two apart.
Pratah Snan
about 96 minutes
From sunrise
- Definition
- Sunrise, until two muhurtas of the day after it. A day muhurta is a fifteenth of the daylight, about 48 minutes at the equinox and longer in summer.
This window sits after sunrise, so its panchang day and its Gregorian date agree.
Every time is given at the ghat first, and in your own zone beside it. How the clock is read
Where the timing comes from
- Source
- Computed here, checked against Drik Panchang
- Ayanamsa
- Lahiri (Chitrapaksha)
- Ghat coordinates
- Har Ki Pauri, Haridwar: 29.9457, 78.1642
Textual basis
The living usage of the ghats named below, and the puranic and dharmashastra literature on the day. A citable edition and passage is still to be added.
Every date here is computed: the tithi at the ghat's sunrise, the month named by the sankranti it holds, and the sun's entry into each sign under the Lahiri ayanamsa. Tithi, nakshatra, sunrise and windows were checked against Drik Panchang for Haridwar on eight days between September 2026 and March 2027, to the minute. The dates roll forward each morning.