Japan's Nintendo Direct is going to be hosted by Mr. Iwata, and will be taking place today at 8 PM PST/11 PM EST, and you can watch it live by going here.
North America's Nintendo Direct will begin one hour after Japan's, and will be hosted by Mr. Fils-Aime. The time will be 9 PM PST/12 AM EST, and you can watch the live stream here.
Europe will get their Nintendo Direct at the same time as North America, which is one hour after Japan's. Mr. Shibata will be the host of the show as it begins at 5 AM BST/6 AM CET/2 PM AEST. You can watch the live stream by going here.
We may get some nice surprises tonight and tomorrow, so be sure to tune in!