Uttarayana Explained: Scripture, Astronomy and the Solstice Question

Quick answer: Uttarayana means the Sun's northward course, the half of the year when sunrise moves north along the horizon. Astronomers start it at the December solstice, around 21–22 December. Traditional panchangs start it at Makara Sankranti, the Sun's entry into sidereal Makara, now about three weeks later. Both are correct in their own frame; the gap comes from precession.

Uttarayana at a glance

What does Uttarayana mean?

Uttarayana is the half-year when the sunrise point moves north along the horizon and the days in India grow longer. Dakshinayana (daksina = south) is the half-year when it moves south.

The idea is very old. P.V. Kane, in his History of Dharmasastra, notes that the Shatapatha Brahmana links the Sun's northward course with the gods and the southward course with the ancestors, and that the Chandogya Upanishad speaks of the six months when the Sun goes north. The grihyasutras (household-ritual manuals) already treat the northward course, called udagayana there, as the right time for auspicious rites such as marriage.

Two meanings: solstice and Makara Sankranti

The word is used in two ways, and most confusion comes from mixing them.

The Report of the Calendar Reform Committee, published by the Government of India's Council of Scientific and Industrial Research in 1955, explains that in Vedic usage Uttarayana was the passage of the Sun from the southern solstice to the northern one. The Surya Siddhanta, the classical astronomy text, instead counts the six months of the northward course from the moment the Sun enters Makara (Surya Siddhanta 14.9, as quoted in that report). When the Siddhanta system was set up, those two moments were close together. They are not any more.

Why the dates drifted apart: precession

The Earth's axis wobbles slowly, like a spinning top, and traces a full circle in about 26,000 years. This is called the precession of the equinoxes. Because of it, the seasons (solstices and equinoxes) slide slowly backwards against the background stars.

Indian panchangs measure the Sun against the stars (the sidereal or nirayana zodiac). The solstice is a seasonal event. The Calendar Reform Committee puts the difference between the two kinds of year at about 20 minutes a year, the time the Sun takes to cover the 50 seconds of arc that precession shifts each year. Twenty minutes a year adds up to roughly a day every seventy years or so.

Kane saw this in his own lifetime. Writing in 1958, he recalled that in his boyhood, about seventy years earlier, almanacs placed Makara Sankranti on 12 or 13 January, and that by his time it fell on 13 or 14 January, owing to precession. He also noted that the almanacs were then about twenty-three days behind the solstice.

When did the two coincide? It depends on where you fix the zero point of the sidereal zodiac, which is what the ayanamsa (the correction between the two zodiacs) expresses. The Calendar Reform Committee records two schools: one ties the zero point to the star Chitra (Spica) and gets a date of about 285 CE; another ties it to Revati and gets about 575 CE. On the first reckoning, Makara Sankranti and the solstice fell together roughly seventeen centuries ago.

Two common myths follow from this:

• Makar Sankranti is not the winter solstice. It is the Sun's entry into sidereal Makara. The solstice falls around 21–22 December.
• The date is not fixed. Sankranti falls on 14 or 15 January depending on when the Sun enters Makara relative to sunset in a given place, and it drifts later over the centuries. In 2027 the moment comes at 9:14 PM IST, after sunset in India, so panchangs in India keep Friday 15 January. Our dates abroad guide explains why some countries keep 14 January.

The drift was noticed long ago. Kane reports that Hemadri, the thirteenth-century digest writer, said the real punya kaal (holy period) of a sankranti came twelve days before the popular day, and that gifts could also be made on that earlier day.

What does the Bhagavad Gita say about Uttarayana?

In Bhagavad Gita 8.24–25 (Chapter 8, the Akshara Brahma Yoga), Krishna tells Arjuna about two paths taken by those who leave the body. In our own words:

• The bright path (8.24): fire, light, day, the bright half of the lunar month and the six months of the Sun's northward course. Those who know Brahman and depart by this path go to Brahman.
• The dark path (8.25): smoke, night, the dark half of the month and the six months of the southward course. The seeker who departs this way reaches the light of the moon and returns to birth.

The next verse (8.26) calls these two paths, the bright and the dark, eternal: by one a person does not return, by the other a person does. K.M. Ganguli's translation adds a note that the commentators explain fire, light, day and the rest as deities presiding over these stages, not simply as calendar dates. These verses are the main reason Uttarayana is regarded as auspicious.

We do not print the Sanskrit verses here. Read them in a reputable edition, such as the IIT Kanpur Gita Supersite listed below, or ask your family priest.

Bhishma and Uttarayana

The best-known story about Uttarayana comes from the Mahabharata. In the Bhishma Parva (section 120 in Ganguli's translation), Bhishma falls on the tenth day of the Kurukshetra war and lies on a bed of arrows. He notices that the Sun is in its southern course. He had a boon that he would die only when he chose, so he resolves to hold on to life until the Sun turns north.

In the Anushasana Parva (sections 167–168 in Ganguli), after long teaching to Yudhishthira, Bhishma says that the Sun has begun its northward course, that he has lain on the arrows for fifty-eight nights, and that the lunar month of Magha has come, with part of its bright fortnight already gone. Only then does he give up his life.

Two things follow:

• Bhishma waited for Uttarayana, but he did not die on Makar Sankranti. The epic places his passing in the bright half of Magha. Tradition commemorates it on Bhishma Ashtami, the eighth day of the bright half of Magha, a few weeks after Sankranti. See our Bhishma Ashtami guide.
• The epic speaks of the Sun's turn north, but it does not name Makara Sankranti as that day.

How do panchangs use Uttarayana and Dakshinayana today?

• Ayana in the daily panchang: many panchangs show the current ayana for each day. Drik Panchang, for example, shows two fields: "Drik Ayana", which follows the Sun's actual (seasonal) course, and "Vedic Ayana", which follows the sidereal reckoning. On 5 January 2027 in New Delhi, the first shows Uttarayana and the second still shows Dakshinayana, because the solstice has passed but Makara Sankranti has not.
• Ayana sankrantis: Kane notes that the twelve sankrantis are grouped into classes. Makara and Karka are the two ayana sankrantis, the start of Uttarayana and of Dakshinayana. Mesha and Tula, around the equinoxes, are the vishuva sankrantis.
• Choosing auspicious times: the northward course is widely preferred for ceremonies such as housewarmings, marriages and the sacred-thread ceremony. Practice differs by community; follow your family priest.
• Festivals: Makara Sankranti is a solar festival, and it is not the only one. The Mesha Sankranti festivals in April are solar too: see our solar new year guide. In Gujarat, the festival day itself is called Uttarayan: see Uttarayan in Gujarat.

For the 2027 festival dates and Punya Kaal by city, see our Makar Sankranti 2027 guide. Confirm timings with your local panchang or temple priest.

Frequently asked questions

Is Uttarayana the same as the winter solstice?

In astronomy, Uttarayana begins at the December solstice, around 21–22 December. In the traditional panchang it begins at Makara Sankranti, about three weeks later. The two once coincided; precession has separated them.

Why do panchangs not move Makara Sankranti back to the solstice?

Panchangs measure the Sun's position against the stars, and Makara Sankranti is defined as the Sun's entry into the sidereal sign Makara. Changing that would change the whole system of solar months. The Calendar Reform Committee discussed this in 1955; traditional almanacs kept the sidereal reckoning.

Did Bhishma die on Makar Sankranti?

No. In the Mahabharata he waits for the Sun's northward course and passes away in the bright half of the month of Magha. Tradition marks this on Bhishma Ashtami, a few weeks after Sankranti.

Does the Gita say a person who dies in Uttarayana is liberated?

Gita 8.24–25 describes two paths, one bright and one dark, and lists the northward six months on the bright path. Traditional commentators read these terms as presiding deities of stages on the path, not as a simple rule about the calendar. Read the chapter with a teacher or a good commentary.

What is Dakshinayana?

It is the Sun's southward course, the other half of the year. Traditional panchangs start it at Karka Sankranti in mid-July; astronomers start it at the June solstice.

Sources

• Bhagavad Gita 8.24–26, Sanskrit text with translations, IIT Kanpur Gita Supersite: https://heritage.iitk.ac.in/gitasupersite/srimad?language=dv&field_chapter_value=8&field_nsutra_value=24&etgb=1 (accessed 12 November 2026).
• K.M. Ganguli (trans.), The Mahabharata of Krishna-Dwaipayana Vyasa, Bhishma Parva sections 32 (Gita 8, with note 218 on the commentators) and 120; Anushasana Parva sections 167–168. Project Gutenberg editions, vol. 2 and vol. 4: https://www.gutenberg.org/ebooks/15475 and https://www.gutenberg.org/ebooks/15477 (accessed 12 November 2026).
• Council of Scientific and Industrial Research, Report of the Calendar Reform Committee (Government of India, 1955; M.N. Saha, chairman), preface, chapter 5 (Uttarayana and Dakshinayana; Surya Siddhanta 14.9–10) and Appendix 5-B (zero point of the Hindu zodiac, about 285 CE and 575 CE): https://archive.org/details/HistoryOfCalendarPanchangaCommittee (accessed 12 November 2026).
• P.V. Kane, History of Dharmasastra, vol. V, part I (Bhandarkar Oriental Research Institute, 1958), chapter XI, "Makarasankranti and Mahasivaratri", pp. 211–236, especially pp. 222–224: https://archive.org/details/KhistoryOfDharmasastraancientAndMediaevalReligiousAndCivilLaw (accessed 12 November 2026).
• India Meteorological Department, Positional Astronomy Centre, history (Calendar Reform Committee, 1952–55): https://packolkata.imd.gov.in/history.php (accessed 12 November 2026).
• Drik Panchang, day panchang for New Delhi, 5 January 2027 ("Drik Ayana" and "Vedic Ayana" fields): https://www.drikpanchang.com/panchang/day-panchang.html?date=05/01/2027 (accessed 12 November 2026).
• Drik Panchang, Bhishma Ashtami (Magha Shukla Ashtami): https://www.drikpanchang.com/festivals/bhishma-ashtami/bhishma-ashtami-date-time.html?year=2027 (accessed 12 November 2026).
• Drik Panchang, Makar Sankranti 2027 (moment of the Sun's entry into Makara), via our 2027 date data (accessed November 2026).

Last reviewed: 12 November 2026.

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