Depart from Rajarhat by car or app cab (estimated 35-45 minutes to Science City depending on traffic); pick up water and light snacks for the day.
Arrive near Science City — park or be dropped at the main gate. Enjoy a short walk and grab a quick breakfast at the on-site cafe or nearby Jora Ghas Bazar tea stall for kathi roll and tea.
Enter Science City when gates open (check seasonal timings) and begin with the main exhibits: Space Odyssey and Dynamotion Hall to experience interactive science displays.
Attend a live demo or planetarium show (book tickets in advance for the Space Theatre) for an immersive astronomy session.
Explore the Science Park and the Evolution Park exhibits; try hands-on experiments in the Discovery Centre and take photos by the iconic structure.
Visit the Science City Aqua and Energy exhibits, then take a mid-morning coffee break at the Science City cafeteria or nearby Salt Lake cafe (e.g., Cafe Mezzuna).
Leave Science City and drive toward the Victoria Memorial area (allow 40-60 minutes depending on traffic).
Arrive near Victoria Memorial; park and take a short walk through the lush lawns. Have lunch at The Pavilion (on-site cafe) or stroll to Olivia for light continental/Bengali fusion.
Begin a guided visit of Victoria Memorial Museum — explore galleries on British India, art, and Kolkata history; don't miss the grand marble hall and the royal portraits.
Walk the surrounding gardens and the rear pathways toward the Maidan; take photos with the memorial in golden afternoon light and relax by the fountains.
Head to Calcutta House (Rabindra Bhavan) / locations around Museum Road or nearby historic colonial houses—if you meant 'Calcutta House' (cultural venue), arrive and explore exhibitions and cultural displays; otherwise visit St. Paul's Cathedral and the Asiatic Society nearby for more colonial-era context.
Enjoy tea and a light snack at Flurys (Park Street) — try their signature pastries and Kolkata-style afternoon tea while soaking in the colonial ambience.
Walk or take a short drive to the Princep Ghat / Babughat area to prepare for the Hooghly River boat trip; buy tickets and arrive 15-20 minutes ahead for boarding.
Board a scheduled sunset boat cruise on the Hooghly (private launches or the guided ferry at Princep Ghat) and enjoy views of Howrah Bridge, colonial ghats, and riverside life as the sun sets.
Disembark and stroll along the ghats — visit Princep Ghat promenade and capture evening lights on Howrah Bridge; street vendors offer local snacks if you want to sample muri or jhalmuri.
Head toward Park Street or New Market area for dinner — recommended: Peter Cat (Park Street) for its iconic Chelo Kebab, or Oh! Calcutta for traditional Bengali cuisine.
Finish dinner and enjoy a short walk down Park Street to see colonial buildings lit up; stop for a post-dinner coffee or dessert at Mocambo or Flurys if you skipped earlier.
Begin return drive to Rajarhat (allow 45-75 minutes depending on traffic) or take an app taxi; reflect on the day’s highlights during the ride back.
Arrive back in Rajarhat; unpack, relax, and if desired, review photos and plan any follow-up visits for remaining Kolkata attractions.