See the Ho Chi Minh complex and mausoleum exterior; mausoleum is typically open 8:00–11:00 but is closed on Mondays and Fridays — check exact closures before visiting.
Board your overnight cruise, enjoy lunch on board and begin cruising among limestone karsts; standard boarding is late morning to early afternoon, cruise runs until the next day's midday.
Join kayaking or a guided cave visit (activity slots usually in the afternoon) to explore lagoons and grottoes — most operators provide equipment and guides.
Transfer back to Hanoi airport (allow ~2–3 hours) and take an evening flight Hanoi → Hue (flight ~1h15); aim for a late-afternoon drive and an evening flight around 6:00pm–8:00pm.
Scenic drive over the Hai Van Pass toward Hoi An (approx 3 hours): expect spectacular coastal views and a stop for photos at the pass (allow 3–3.5 hours including stops).
Arrive and check in to your Hoi An hotel; wander the ancient town in the evening when lanterns are lit and the atmosphere is magical (evening pedestrian hours typically start at 6:00pm).
Morning walk to the Japanese Covered Bridge, Chinese assembly halls and riverside houses — many sites open from about 8:00am and the town is most pleasant before midday heat.
Return to town for the night market and river lanterns; this is ideal for photos and trying small local dishes and desserts (market opens around 17:00–22:00).
If you prefer afternoon activities, many operators run half-day Cu Chi visits leaving mid-afternoon (site open 7:00–17:00); book ahead for timing. Note: allow 1.5–2 hours each way for transit from the city.
Leave early for a full-day Mekong Delta tour (Ben Tre or Cai Be) to visit local markets, villages, coconut workshops and take sampan rides; tours typically depart 7:00–8:00am and return 6:00–7:00pm.
Cruise canals on a motorboat, then transfer to smaller sampans to explore narrow waterways and see local life up close; boat schedules run from morning through afternoon.
Visit the War Remnants Museum for a sobering and informative look at Vietnam's modern history; typical opening hours are 7:30–12:00 and 13:30–17:00 (check for closures).
Check out the French colonial landmarks — Notre Dame Cathedral (note restoration work may affect access) and the nearby Central Post Office; both are public exteriors and great for photos.
Head to Tan Son Nhat International Airport for your flight home (allow 1.5–2 hours for international departures depending on traffic and check-in rules).