First things first: if it was a heavy night last night, you'll be wanting to visit the best places in London to deal with a hangover. Sorted? Good.
Looking for something to do on New Year's Day? Get your 2018 off to an excellent start with these events (note: it's worth checking opening times before you travel, as they may differ from usual as it's a bank holiday).
ICE SKATING: What better way to shake off a fuzzy head than by going ice skating? Twinkly lights, elegant gliding — it'll have you feeling right as rain quick-sharp. London's seasonal ice rinks are mostly open into the new year.
GO FOR A WANDER: Take your pick from our series of weekend walks — wherever in London you are, and however energetic you're feeling, there's something for you. Free, whenever and however you like.
NEW YEAR'S DAY PARADE: Floats from all over the world feature in the New Year's Day Parade, alongside a number of boroughs, bands, schools and car rallies. The parade begins on Piccadilly, before making its way down to Whitehall. Free (or treat yourself to Grandstand tickets), just turn up, from noon
NEW YEAR'S DAY GALA: Start 2018 with a bit of culture, listening to classical works such as Rossini's William Tell Overture, Puccini's Nessun Dorma and Holst's Jupiter at Barbican's New Year's Day Gala. £19.50-£44.50, book ahead, 2.30pm
CEILIDH: Didn't do enough dancing on New Year's Eve? Get involved in Southbank Centre's New Year's Day Ceilidh, involving music, dance and theatrics, with performers from all over the world. Free, just turn up, 3pm
MUSEUM OF LONDON: There's double fun at Museum of London today, with family-friendly Hannukah celebrations, where children can make their own cards and learn the origins of the festival. There's also a chance to learn about the Russian legend of Babushka, an old lady who sets off to visit baby Jesus. Free, just turn up, from 12.30pm