Answer

For Ujjain today, Tuesday, September 1, 2026, Chauvihar should be done before sunset.

Approximate sunset time for Ujjain today is around 6:35 PM, so it is advisable to complete Chauvihar by about 6:20–6:25 PM to be safe.

Spiritual Understanding

In Jain Dharma, Chauvihar means giving up all food and water after sunset. Many people keep a small safety margin before sunset so that the vow is observed carefully and respectfully.

Takeaway

For Ujjain today: finish food and water before about 6:20–6:25 PM.