- Women of the World Festival has a market at the Royal Festival Hall plus ticketed events and gigs all weekend.
- Visit the free outdoor exhibition of site-specific artworks in Cannizaro Park, SW19 on Saturday and Sunday (free)
- Drink and dance at the Real Ale and Rockin' Blues festival at the Sebright Arms, Bethnal Green on Saturday and Sunday.
- Experience Italy in a day at La Dolce Vita at the Business Design Centre, Islington, Friday-Sunday (tickets £5 for adult day ticket).
- Abbey Road Studios open their doors to musos and tourists with money to spare (tickets £75).
- Fashion shows at Whiteleys shopping centre, Bayswater will feature models of all ages, shapes and sizes from midday Saturday and Sunday (free).
- See archive photos in the Portrait of London exhibition at Wandsworth Museum (free).
- That Marilyn exhibition opens at Getty Images Gallery, Eastcastle Street W1 (free).
- Docklands Cinema Club screens The Ipcress Files with an introduction from the film's set designer from 7pm at Museum of London Docklands (£7/£5).
- The British Library puts on an Arabia Late with family friendly activities and the galleries to roam from 6-9pm (free).
- Enjoy late night music and conviviality at The Royal Court cafe & bar from 10.15pm (free).
- It's the Big Green Bookshop's 4th birthday! Drop by and buy. Or go along in the evening and toast Simon and Tim from 9am-9pm.
- Help Wild London with their Spring Workday at Birdbrook Nature Reserve Birdbrook Road, Kidbrooke, London SE3 from 10am-1pm (free/voluntary).
- Tooting Market has a jolly relaunch day between 12-4pm with "live music, free home made cake, teas and coffee and general nice vibes" thanks to the nice people @No3.
- Celebrate St Piran's Day (the Cornwall's National Day) with Kernow in the City at Rich Mix with Cornish music of many ilks an art exhibition, spoken word from Murray Lachlan Young and the inevitable pasties and Cornish Ale (£10 adv/£12 on the door).
- Watch some unlikely sport at Scala, Kings Cross with the International Chessboxing Tournament at 7pm (tickets from £15).
- One year on from the tsunami, go to the Bunkasai to experience Japanese culture and food and browse the market at Park Crescent Conference Centre, Great Portland Street W1 (tickets £3.50 adv, £5 on the door, proceeds to Aid for Japan).
- Or attend the You Are Not Forgotten event in Golders Green Parish Church from 1.30pm (donation at the door).
- Celebrate Holi & Gaura Purnima at Bhaktivedanta Manor, Watford from 2pm onwards (free). NB don't wear your best clothes, colours will be thrown.
- Grab a towel and say happy birthday to the late Douglas Adams at a fundraising early evening of fun from 5pm (tickets £30, proceeds to charity).
Other good stuff:
- Things to do for a fiver or less
- Museums and Galleries
- Books and spoken word
- Sci/tech/nerd stuff
- Theatre, dance, opera, classical music and exhibitions
- Free things to do in London
- Cabaret, parties and alt-performance
- Stand up and sketch comedy
- Gigs to go to
Photo of UCL Quad Holi celebrations from 2006 by noamchomsky666 via Flickr under a Creative Commons licence.