Arrive early to join the morning rituals (puja) at this colorful 7th-century temple dedicated to Shiva. Remove shoes before entering and dress modestly covering shoulders and knees.

Photo: Kamakshi, Pexels

Walk to a Brahmin-style eatery on South Mada Street near the temple and order Idli with Sambar, Dosa, and a cup of Filter Coffee (Kaapi) for an authentic start.

Visit this stunning white neo-Gothic cathedral built over the tomb of Saint Thomas the Apostle. Head to the crypt downstairs to see the original burial site and the small museum.

Photo: w:user:PlaneMad, CC BY-SA 2.5

Escape the midday heat by returning to your hotel for a rest, shower, and air conditioning. This is also a good time to have a light lunch or nap before the evening out.

Head to Besant Nagar for this cleaner, quieter beach favored by locals. Walk along the promenade past the Schmidt Memorial and grab a Tender Coconut Water (Elaneer) from a vendor.

Photo: KARTY JazZ, CC BY-SA 4.0

Walk or take a short auto ride to the 13-km long Marina Beach to experience the evening buzz. Stay near the shoreline area around the lighthouse and avoid venturing into deep water.

Look for a seafood restaurant along the Marina Beach stretch or in nearby Santhome. Try the Chettinad Fish Curry or order a fresh grilled fish platter with rice and vegetables.

Explore the oldest British fort in Chennai, housing St. Mary's Church and the Fort Museum with colonial era weapons, uniforms, and portraits. Allow time to walk the ramparts and see the 150-foot flagstaff made from a single teak tree.

Head straight for the Bronze Gallery to see breathtaking Chola sculptures in bronze, then browse the Amaravati Gallery and the natural history section. The museum complex also has a dedicated children's section if traveling with family.

Step inside one of India's oldest public libraries, recognizable by its striking red sandstone building with Indo-Saracenic architecture. The rare books room and main reading hall are open to visitors.

Photo: SriniG, Public domain

Walk to a nearby restaurant on Pondy Bazaar or in the Egmore area for a hearty South Indian thali with rice, sambar, vegetables, and papad. These are filling and cost around $4.

Admire the massive stone chariot and 133-foot tall structure commemorating the poet Thiruvalluvar. Walk around the auditorium where all 1,330 couplets of the Thirukkural are inscribed on granite pillars.

Photo: Valluvar_Kottam.JPG: Joe Ravi derivative work: Kingpin13 (talk), CC BY-SA 3.0

Tour the restored Ice House building where Swami Vivekananda stayed in 1897, now a museum with exhibits on his life and teachings. The multimedia show upstairs provides good context for the exhibits below.

Photo: Anil Sharma, Pexels

Find a Chettinad style restaurant in the Mylapore area and order a spicy Chettinad chicken curry with flaky parotta or steamed rice. Finish with a serving of creamy Payasam for dessert.

One of the few national parks inside a city. Arrive early to spot spotted deer, blackbucks, and native birds along the forest trails before the heat builds up. The park also has a small snake park adjacent.

Find a local eatery near Guindy and order a South Indian breakfast of Idli with Sambar, soft steamed rice cakes served with lentil soup and coconut chutney, paired with a cup of strong Filter Coffee.

A sprawling 280 acre campus along the Adyar River with a massive 450 year old banyan tree, a library open to visitors, and peaceful walking paths. Register at the visitor center before exploring the grounds.

Take a break during peak afternoon heat. Find an air conditioned restaurant in the Adyar or Besant Nagar area for a leisurely lunch and rest before the evening activities.

A 6th century Pallava era temple in Triplicane dedicated to Krishna. Look for the unique iconography where the main deity holds a conch in one hand, and admire the intricate stone carvings on the gopuram.

Photo: Kamakshi, Pexels

Walk along Triplicane High Road and the lanes around the temple where vendors sell fresh flowers, brass lamps, silk sarees, and traditional jewelry. The area gets lively with evening shoppers and street food stalls.

Find a restaurant on Triplicane High Road or one of the side lanes. Look for a place serving Andhra style fish curry or a simple mutton biryani with steamed rice.

Explore this open-air heritage museum featuring authentic dwellings from Tamil Nadu, Kerala, Karnataka, and Andhra Pradesh. Watch pottery, weaving, and textile demonstrations by resident artisans working on site.

The on-site cafe serves simple vegetarian South Indian meals and snacks. Try a traditional thali or order a few side dishes to sample different flavors.

Head back to your accommodation to escape the midday heat. Freshen up and plan your shopping route for the evening.

Focus on Pondy Bazaar and Ranganathan Street for textiles, jewelry, and handicrafts. Bargaining is expected at most stalls so start at half the quoted price.

Look for a rooftop restaurant in the Nungambakkam or T. Nagar area with city skyline views. Search for rooftop dining in Nungambakkam on Google Maps and book ahead.

Walk south from the Kannagi statue toward the lighthouse for a quieter stretch with fewer vendors and cleaner sand. The morning light is best before 8 AM when the crowd starts building.

Head to a tiffin-style cafe in Mylapore near the Kapaleeshwarar Temple. These no-frills eateries serve fresh idli, dosa, and vada with sambar from large metal pots.

Browse the handicraft shops on Ranganathan Street in T Nagar for silk scarves, wooden toys, or bronze figurines. Bargain politely and carry cash as many small shops do not take cards.

Confirm your airport taxi through Ola or Uber about 30 minutes before checkout to avoid delays. Allow 45 minutes travel time to Chennai International Airport from central areas.