Explore the historic Kashi Vishwanath Temple complex and the narrow Vishwanath Gali markets — an essential spiritual and cultural experience; temple darshan generally has morning hours (early morning to ~11:00am) and evening hours (around 5:00pm onwards).
Wander lanes off the temple to see weavers' shops and get an introduction to Banarasi silk (bargain, note quality marks and ask for authentic brocade).
Try a hearty local thali featuring litti-chokha or a Banarasi-style North Indian thali at Baati Chokha for a robust midday meal; portions are filling and flavours are regional.
Visit vantage points to respectfully observe the living rituals of the ghats; these cremation ghats are open 24 hours — be discreet and sensitive to local customs.
Attend the famous evening Ganga Aarti (timing varies by season; generally around sunset). Arrive early to secure a riverside spot; the ceremony is free though donations are common.
Enjoy a relaxed dinner at a popular cafe such as Aum Cafe (Assi) or Open House for a mix of Indian and continental options; good for winding down after the aarti.
Head back to Varanasi to explore Banaras Hindu University campus and Bharat Kala Bhavan (museum generally open 10:00am–5:00pm; closed one weekday — usually Monday).
If you want more photos and atmosphere, take another early boat (or a guided walking tour along Assi and Dashashwamedh); mornings are best for light and calm.
Visit Tulsi Manas (famous for its Ramayana inscriptions) and Bharat Mata Temple (unique relief map of India); both are generally open from morning till evening (confirm local timings).
Dedicate time to serious silk shopping in Thatheri Bazaar and Chowk where you can find handloom saris, brocades and stoles; negotiate and ask for hallmarking and GST invoice for authenticity.