Widgets are one of the best ways to add custom items into your WordPress sidebars or any widget-ready areas. You can customize how it is displayed, hide it in a post, or display it in specific post or pages.
Sometimes, your widgets need only to show and expires at specific time. Like for example when you need to set up a seasonal campaign for December and you want to end it by January. By setting up an expiration for your widgets, you don’t need to worry about your widget showing up when the campaign is over. This is also useful for hiding ads when the time slot is over.
In this articles, w’e’ll show you how to set up an expiration data for your widgets: http://www.wpbeginner.com/plugins/how-to-set-expire-date-for-widgets-in-wordpress/