From Google Support: To set up Location Sharing, complete these steps on your Android device. Turn on Location History if you haven’t already. This setting provides Location Sharing with recent location information so you can share it with others. Download the Google+ app from the Play Store if you haven’t already. Open the Google+ app .
https://webapps.stackexchange.com/questions/86936/show-share-own-google-maps-timeline-to-others