You will have to follow these steps to sync ‘Yahoo calendar on Android’ system. To begin, go over to the Google Calendar website and go to "Add by URL" and then to the "URL" domain, where you may paste the Yahoo iCal address using the Ctrl + V keyboard shortcut. This is the moment to choose the "Add Calendar" feature. If you import Yahoo events, they will be synced with your Google Account. Thereafter, open "Calendar," then press "Menu," then "Settings." Tick the box beside the calendar when you click on your Google Account name.