Festival hub
Hindu festivals weave together a calendar that is among the densest in the world – on most days of the year, somewhere in the Hindu world a tithi, a vrat, or a regional jayanti is being marked. The major observances are anchored to the Vikram Samvat and Shaka Samvat lunisolar calendars, with a smaller solar tier (notably Makar Sankranti and Tamil Pongal) tied to the sun's transit through the zodiac. Because lunar months drift roughly eleven days against the Gregorian calendar each year, an intercalary "Adhik Maas" is inserted every two-and-a-half to three years to keep the seasons in alignment. This is why Diwali, Holi, and Navratri appear to wander between mid-October and mid-November or between late February and late March from one year to the next.
The festival year traditionally begins in different places depending on which India you ask. In Maharashtra and Goa, Gudi Padwa kicks off Chaitra; in Andhra Pradesh, Telangana, and Karnataka, the same day is Ugadi; in Tamil Nadu, the Tamil New Year (Puthandu) lands in mid-April; in Kerala, Vishu is the season opener; in Punjab, Vaisakhi serves as the agrarian and religious new year on April 13 or 14. Despite the regional variety, three pan-Indian "tentpoles" structure the year for most Hindus: Holi in spring, Janmashtami / Ganesh Chaturthi in late monsoon, and the unbroken Navratri – Dussehra – Diwali arc that dominates autumn.
Hindu festivals fall into two temperament-types. The vrat festivals – Karwa Chauth, Maha Shivratri, Ekadashis, Navratri – are introspective: fasting from sunrise to moonrise, all-night vigils, recitations of the Shiva Tandava Stotra or Durga Saptashati, and rituals carried out by individual households. The utsav festivals – Holi, Diwali, Ganesh Chaturthi, Onam – are public and joyful, with street processions, community pandals, fireworks, and food shared widely. Most major festivals layer both: Diwali pairs the private Lakshmi puja with five days of public feasting and lights.
Beyond India, Hindu festivals are state-recognized public holidays in Nepal, Mauritius, Fiji, Trinidad and Tobago, Suriname, Singapore, and Malaysia, and the Indian diaspora carries them everywhere from Birmingham to Auckland. The London and Leicester Diwali switch-ons draw tens of thousands; Trinidad's Phagwah parties run for a week.
Most Hindu festivals are computed on the lunisolar Vikram Samvat or Shaka Samvat calendars. Each lunar month is split into a bright fortnight (Shukla Paksha) and a dark fortnight (Krishna Paksha) of fifteen tithis each. A festival is fixed to a specific tithi – Diwali falls on the new moon (Amavasya) of Kartik, Holi on the full moon (Purnima) of Phalguna, Janmashtami on Krishna Paksha Ashtami of Bhadrapada. Because synodic lunar months are about 29.5 days, the lunar year runs eleven days short of the solar year; an Adhik Maas (extra month) is inserted roughly every 32.5 months to prevent slow drift through the seasons. A small solar layer – Makar Sankranti, Tamil Puthandu, Vishu, Pongal – is anchored to sankrantis (the sun's entry into a zodiac sign) and so falls within a one-day window every year. Local panchangs computed in Varanasi, Tirupati, and Ujjain may differ by a day on tithi cusps, which is why Diwali or Janmashtami is sometimes observed on different dates in adjoining states.
Diwali is mostly Lakshmi Puja in north India, but in West Bengal the same nights are Kali Puja, and in Tamil Nadu the focus is the predawn Naraka Chaturdashi oil bath. Navratri means garba and dandiya raas in Gujarat, but immersive Durga Puja pandals in Bengal and the kanya pujan ritual across Hindi-speaking states. Onam is overwhelmingly a Kerala festival, while Pongal owns Tamil Nadu's mid-January for four days. Holi is a single explosive day in most of north India but stretches over a fortnight in Vrindavan, Mathura, and Barsana, where Lathmar Holi is still observed.
For festivals of light parallels, see the Jewish festival hub (Hanukkah). For lunar-calendar festival cousins, see the Chinese festival hub and the Buddhist festival hub.
Why do Hindu festivals shift dates each year? Because they follow a lunisolar calendar in which lunar months drift about eleven days against the Gregorian year, with an Adhik Maas leap month every 2–3 years to re-anchor.
Which Hindu festival is the biggest globally? Diwali, observed by an estimated billion-plus people across India and the diaspora and a recognized public holiday in eleven countries.
Are Hindu festivals only for Hindus? No – Diwali, Holi, and Onam are widely participated in across faiths in India and Nepal, and Holi street parties are mainstream in Trinidad, Suriname, Mauritius, and South Africa.
What is the difference between vrat and utsav? Vrat festivals are personal observances built around fasting and prayer; utsav festivals are public celebrations with food, processions, and communal worship.
Do all Hindus celebrate the same festivals? No – regional festivals like Onam (Kerala), Pongal (Tamil Nadu), Bihu (Assam), and Durga Puja (Bengal) dominate locally even where pan-Indian festivals are also observed.
Tracked events
Onam 2026
Raksha Bandhan 2026
Janmashtami 2026
Ganesh Chaturthi 2026
Navratri 2026
Dussehra 2026
Karwa Chauth 2026
Dhanteras 2026
Diwali 2026
