One of Korea's biggest nights of the year is here: the Hanwha Seoul International Fireworks Festival 2026 . The main show lights up the Han River on Saturday, September 5 at 8:00 PM in Yeouido — and general viewing is free . Over a million people come every year, so the key to enjoying it is knowing the road and subway closures and planning your trip in and out. Here's what to know. The essentials Event Hanwha Seoul International Fireworks Festival 2026 (22nd edition) Theme "Your Infinite Colors" — teams from Korea, the USA and the UK Main show Sat, Sep 5 · 8:00 PM–9:20 PM (UK 8:00, USA 8:20, Korea/Hanwha finale from 8:40) Festival hours Sep 5, 1:00 PM–10:00 PM (plus a Sep 4 eve program) Where Yeouido Hangang Park (Mapo Bridge–Hangang Railway Bridge) Price Free for general areas (Yeouido, Ichon). Nodeul Island has sepa...