You can get the widget code here.
If you use a Squarespace website, you can use the Bandsintown Block for Squarespace.
If you use a Wix website, you can use the Bandsintown app for Wix. For instructions on using the Bandsintown app for Wix, please see this article.
If you use Wordpress.org self hosted site, you can download our plugin here.
For help with displaying dates, see this thread.
Note: Past events can be displayed on your website with the all of these options except for the Wix plugin, sorry for any inconvenience. We are working on allowing this for all plugins, thanks for your patience.