A method is disclosed for advertisers to target specific calendar users with the advertisers' events. When uploading information for an advertisement to a service provider system, the advertiser provides targeting criteria along with advertisement content. The targeting criteria is compared against user data stored about the user within one or more databases in the service provider system to select targeted recipients that meet the targeting criteria. The advertised events are then downloaded for display along side a users' calendar interface, where users may quickly and easily add the event to their calendars.