Morning flight from Netaji Subhas Chandra Bose International Airport (CCU) to Jaipur (JAI) to maximise sightseeing time in Jaipur; flights take ~2h and several options are available daily.
Photograph the Hawa Mahal façade from the street and visit Jantar Mantar (astronomical observatory) to see its large instruments; Jantar Mantar is open 9:00am–4:30pm.
Explore the hilltop Amber Fort (open 8:00am–5:30pm) — expansive courtyards, Sheesh Mahal and great views of Maota Lake; opt for a jeep ride up to the fort.
Walk around City Palace precincts and the nearby bazaars for local crafts; City Palace museum typically open 9:30am–5:00pm but evenings are great for photos and shopping outside.
Head to Chokhi Dhani for a fixed-menu Rajasthani feast and folk performances (open evenings ~5:00pm–midnight); excellent introduction to Rajasthani food and culture.
Visit the famous Khatushyamji temple (darshan times start early morning and the temple remains open through the day and evening); a significant Krishna/Kaliya temple known for its silver mask.
Wander the living fort of Jaisalmer and visit Patwon Ki Haveli to see ornate Jain architecture and carved interiors (museums typically open 9:00am–5:00pm).
Head out for a desert jeep for sunset at Sam Sand Dunes followed by a transfer to an overnight desert camp with cultural show (jeep safari timings: late afternoon to sunset).