Karva Chauth 2026 in Diamond Bar: Events, Puja & Where to Celebrate

TL;DR 🌙

• Karva Chauth 2026 falls on Wednesday, October 29 — observed by Indian women in Diamond Bar as a dawn-to-moonrise fast with the evening puja as the ritual centrepiece
• BAPS Shri Swaminarayan Mandir in Chino Hills, 3 miles from Diamond Bar, is the nearest major Hindu temple for community gatherings in the Navratri and Diwali season
• Malibu Hindu Temple in Calabasas is Southern California's major Venkateswara temple and a destination for the broader Indian community during major festivals
• Diamond Bar's Indian community is concentrated around the San Gabriel Valley's eastern edge — Indian grocery stores on Diamond Bar Boulevard and in Rowland Heights stock puja supplies through October
• Desi.Net's Diamond Bar directory lists local temples, Indian stores, and community events for the season

Karva Chauth in Diamond Bar: An October Observance for the San Gabriel Valley's Indian Community

Diamond Bar sits at the eastern edge of Los Angeles County, where it meets San Bernardino County along the 57 and 60 freeways. Its Indian community is drawn from the tech companies and healthcare systems of the San Gabriel Valley and the Inland Empire, and from Pomona Valley employers along the 57 corridor. Families from North India — predominantly Punjabi, Gujarati, and UP communities — make up a significant share of Diamond Bar's Indian population, and Karva Chauth is one of the most personally observed festivals in that demographic.

Karva Chauth 2026 falls on Wednesday, October 29. The fast begins at dawn, before sunrise, with the sarghi meal — food prepared or brought by the mother-in-law and eaten before the sun rises. The fast then continues through the full day without water or food. The evening puja — performed once the moon is visible — is the ritual centrepiece: the thali with karva (an earthen pot), a diya, sweets, and flowers, with married women sighting the moon through a sieve before the fast is broken.

BAPS Shri Swaminarayan Mandir: The Nearest Major Temple

BAPS Shri Swaminarayan Mandir at 15100 Fairfield Ranch Road in Chino Hills is Diamond Bar's closest major Hindu temple, approximately 3 to 4 miles from the centre of the city. The temple is one of the largest Hindu places of worship in Southern California and draws the Gujarati and Swaminarayan community from the Inland Empire, the San Gabriel Valley, and the broader Los Angeles area.

BAPS Shri Swaminarayan Mandir holds a full Navratri programme through October, and the garba evenings at the Chino Hills mandir are among the most attended in Southern California. For Karva Chauth, which is primarily a home observance, the temple does not typically hold a dedicated Karva Chauth programme — but the Navratri garba in the preceding weeks provides the main community gathering for Diamond Bar's Indian families. For Diwali in November, the Chino Hills mandir's programme draws from the full Los Angeles and Inland Empire Indian community.

Malibu Hindu Temple and the Broader Southern California Circuit

Malibu Hindu Temple in Calabasas, about 55 miles from Diamond Bar, is the region's major Sri Venkateswara temple, drawing South Indian families and the broader Hindu community from across Southern California. For major festivals like Diwali, families from Diamond Bar and the eastern San Gabriel Valley sometimes make the drive to Calabasas, particularly for the Deepotsavam (festival of lights) held at the temple. The temple's scale and the quality of its Diwali programme make the drive worthwhile for many families.

Southern California's Indian community also organises large community Diwali melas and Karva Chauth celebrations at banquet halls and community centres across the San Gabriel Valley and the Inland Empire. Diamond Bar's proximity to both Chino Hills and Pomona means that community event venues in both directions are accessible. Look for announcements in Diamond Bar and eastern San Gabriel Valley Indian community WhatsApp groups in mid-October.

Preparing for Karva Chauth in Diamond Bar

The Karva Chauth puja requires specific items: the earthen karva pot, a sieve to sight the moon through, a diya, sweets (mathri or meetha is traditional), sindoor, and a decorated thali. Indian grocery stores on Diamond Bar Boulevard and on Colima Road in Rowland Heights, a few miles away, typically stock Karva Chauth puja kits and ready-made sarghi sets in the weeks before October 29. Purchasing by October 27 is safer — the items are popular and stock can run short in the last day or two.

The Karva Chauth moon in the Los Angeles metro in 2026 will rise in the late evening. Check Desi.Net or a reliable panchang for the Diamond Bar moonrise time for October 29. Communities that observe the fast together often gather in a neighbour's backyard or in a park for the collective moonrise puja — this is one of the most social moments of the Karva Chauth evening, and Diamond Bar's Indian community has been known to organise these informal gatherings in the newer residential areas.

For cultural programmes and spiritual study through the Navratri and Diwali season, the Chinmaya Mission chapter serving the greater San Gabriel Valley area organises events and gatherings for the Hindu community in the eastern Los Angeles suburbs. Chinmaya Mission centres combine Vedanta study and festival observance, and are a regular gathering point for families who want a combination of devotional and educational engagement through the autumn months.

FAQ

When is Karva Chauth 2026 in Diamond Bar, CA? Karva Chauth 2026 falls on Wednesday, October 29. The fast begins before sunrise with the sarghi meal and ends when the moon is sighted in the evening.

Which temple near Diamond Bar holds a Karva Chauth programme? Karva Chauth is primarily observed at home. BAPS Shri Swaminarayan Mandir in Chino Hills (3-4 miles away) is the nearest major temple; it holds a full Navratri garba programme through October. Community-organised Karva Chauth gatherings occur at banquet halls in the San Gabriel Valley and Inland Empire — check local community groups for 2026 events.

Where can I buy a Karva Chauth puja kit in Diamond Bar? Indian grocery stores on Diamond Bar Boulevard and on Colima Road in Rowland Heights stock puja kits in the weeks before October 29. Purchase a day or two in advance to avoid stock shortages.

Is Karva Chauth observed by Gujarati and South Indian families in Diamond Bar? Karva Chauth is primarily a North Indian Punjabi and UP tradition. Gujarati families sometimes observe it, particularly in communities where North and South Indian traditions have mixed. South Indian families generally do not observe Karva Chauth, though they celebrate the Navratri and Diwali season fully.

Bottom Line

Karva Chauth 2026 falls on October 29 for Diamond Bar's Indian community. BAPS Shri Swaminarayan Mandir in Chino Hills is the nearest major temple and the hub of the area's Navratri garba season in October. Malibu Hindu Temple in Calabasas is the broader Southern California circuit's Venkateswara temple. For the Karva Chauth puja itself, Indian stores in Diamond Bar and Rowland Heights carry the full puja kit through October. Desi.Net's Diamond Bar directory has the local listing.