Onam 2026 in Sunnyvale: Events, Puja & Where to Celebrate

TL;DR

• 🗓️ The Indian festival calendar in Sunnyvale runs dense from late July through early September 2026
• 🛕 Three established Indian temples anchor community worship: Sunnyvale Hindu Temple & Community Center, Hindu Temple Of South Bay, and Shirdi Sai Darbar
• 🎉 The 33rd Pujya Gurudev Mahasamadhi Aradhana Puja on Aug 4 is a landmark observance for Chinmaya Mission devotees
• 📚 Bala Vihar Instruction Begins on Aug 22, opening the children's spiritual education season for Indian families
• 🙏 Śrī Krishna Janmāṣṭamī Celebrations on Sep 5 close out this festive arc with one of the year's biggest community events

The Indian Festival Season in Sunnyvale: Late July Through September

Sunnyvale's Indian community follows a calendar of observances that keeps pace from one major date to the next throughout the summer. The stretch from late July through the first week of September 2026 is particularly active, bringing together fasting days, devotional pujas, children's programs, and large community celebrations. This guide walks through what is scheduled, what each event means, and how the city's temples support the season.

Ekadashi falls first, on Jul 24. Ekadashi — the 11th day of the lunar fortnight — is one of the most widely observed fasting days across the Hindu calendar. Two more Ekadashi dates follow in the same stretch: Aug 8 and Aug 23. Devoted observants often fast from grains and certain foods on these days, making them quiet, reflective occasions alongside the more celebratory festivals.

Guru Purnima 2026 comes on Jul 28, continuing into Jul 29. The full moon of the Ashadha month carries particular weight as a day of gratitude toward spiritual teachers. On Jul 30, the Guru Pūrṇimā Celebrations event gives the community a formal occasion to observe together. This three-day arc of Guru Purnima is among the most spiritually significant in the summer calendar.

Pradosh Vrat occurs on Jul 26 and again on Aug 10. These bi-monthly fasts honoring Shiva are observed by many in the South Bay Indian community, particularly those with devotion to Shaivite traditions.

Sankashti Chaturthi on Aug 2 falls mid-cycle, marking the monthly Ganesha observance on the fourth day of the dark fortnight. A second Sankashti follows on Aug 31.

Nag Panchami 2026 on Aug 16 is one of the older and more culturally rooted festivals in the Indian calendar. Associated with serpent worship and protection, it is observed across Maharashtra, Karnataka, Kerala, and other states, making it a broadly shared occasion in a multicultural Indian community like Sunnyvale's.

Raksha Bandhan 2026 arrives on Aug 27, coinciding with the Purnima full moon. The rakhi ritual — tying a protective thread — is observed by siblings and extended family across all regions of India, making this a near-universal celebration for the Indian community.

Krishna Janmashtami 2026 on Sep 4 leads into the formal community gathering — Śrī Krishna Janmāṣṭamī Celebrations — on Sep 5. The midnight birth of Lord Krishna is one of the most spirited events in the Indian devotional calendar, marked with fasting through the day and festivity at night.

Three Temples at the Center of Indian Life in Sunnyvale

Sunnyvale Hindu Temple & Community Center at 450 Persian Drive (+1 408-734-4554) is the primary destination for most major events on this list. The temple coordinates Janmashtami celebrations, Guru Purnima gatherings, and ongoing programs through the season. For any Indian family trying to stay connected to the religious calendar, this is the central institution in the city.

Hindu Temple Of South Bay is located at 450 Persian Dr, Sunnyvale, CA 94089. Its proximity to the Sunnyvale Hindu Temple & Community Center makes Persian Drive the main corridor for Indian worship in the city. Both temples draw from the wider South Bay Indian community that spans Sunnyvale, Santa Clara, and Cupertino.

Shirdi Sai Darbar at 870 Lakewood Dr, Sunnyvale, CA 94089 serves devotees of Shirdi Sai Baba. Thursday is traditionally the main bhajan and aarti day at Sai mandirs, though special programs are organized for major calendar occasions as well. Indian families devoted to this tradition will find Shirdi Sai Darbar to be their primary place of worship during this period.

A Milestone Event: The 33rd Pujya Gurudev Mahasamadhi Aradhana Puja

Aug 4, 2026 marks the 33rd Pujya Gurudev Mahasamadhi Aradhana Puja — the 33rd death anniversary of Swami Chinmayananda, the founder of Chinmaya Mission. This is a solemn day of remembrance, gratitude, and elevated discourse for all who follow the Mission's teachings. The number 33 carries significance: it marks more than three decades since the passing of the founder, and longtime devotees often treat this observance with particular depth. Expect special lectures, chanting programs, and community gatherings organized by the Chinmaya Mission San Jose chapter on this date.

Bala Vihar: Rooting the Next Generation in Indian Culture

On Aug 22, Bala Vihar Instruction Begins. Bala Vihar is Chinmaya Mission's children's program that teaches Indian culture, philosophy, Sanskrit chants, and values to the next generation. For Indian parents in Sunnyvale navigating how to pass on their heritage to children growing up in California, Bala Vihar has long been the institution of choice. The fall opening of classes is a genuine milestone in the Indian community's annual rhythm. Families interested in enrolling should reach out to the local Chinmaya Mission center ahead of the Aug 22 start date.

The timing matters: Bala Vihar Instruction Begins just five days before Raksha Bandhan 2026 and just over two weeks before Śrī Krishna Janmāṣṭamī Celebrations. The new class cohort steps into a calendar that is still very much in motion.

Insider Tip

On Aug 27, Raksha Bandhan 2026 coincides with the Purnima full moon. This makes it a doubly auspicious day — a family celebration and a lunar festival at once. Temple visits on Purnima evenings at Sunnyvale Hindu Temple & Community Center draw large crowds, so plan darshan in the morning if you want a quieter visit, and return in the evening for the communal aarti energy.

FAQ

Q: Which Sunnyvale temple is best for the Śrī Krishna Janmāṣṭamī Celebrations? Sunnyvale Hindu Temple & Community Center on Persian Drive is the main venue for this celebration. The midnight program is a major event — arrive early.

Q: Is there a fee to attend Bala Vihar? Bala Vihar programs typically involve nominal fees for materials. Contact the Chinmaya Mission San Jose chapter for current enrollment details.

Q: What is Pradosh Vrat? It is a bi-monthly fast observed on the 13th day of each lunar fortnight, dedicated to Lord Shiva. Devotees fast through the day and attend evening Shiva puja.

Q: Can non-Chinmaya Mission families attend the 33rd Pujya Gurudev Mahasamadhi Aradhana Puja? Aradhana observances are generally open to all, regardless of Mission membership.

Q: Where is Hindu Temple Of South Bay relative to Sunnyvale Hindu Temple & Community Center? Both are on Persian Drive in Sunnyvale, within close proximity, making a visit to the corridor practical for worshipping at both.

Bottom Line

The Indian festival calendar in Sunnyvale from late July through early September 2026 is among the most active stretches of the year. From the quiet reflective observances of Ekadashi and Pradosh Vrat, to the high-energy midnight celebration of Śrī Krishna Janmāṣṭamī Celebrations, to the deeply moving 33rd Pujya Gurudev Mahasamadhi Aradhana Puja, and the community milestone of Bala Vihar Instruction Begins — these weeks offer something for every dimension of Indian spiritual and cultural life. Sunnyvale Hindu Temple & Community Center, Hindu Temple Of South Bay, and Shirdi Sai Darbar are the three anchors to know.