public func loadHandovers(date: NSDate) -> [AnyObject] {
    let fetchRequest = NSFetchRequest()
    let entityDescription = NSEntityDescription.entityForName("Handover", inManagedObjectContext: managedObjectContext!)
    let datePredicate = NSPredicate(format: "date > %@ AND date < %@", getStartDate(date), getEndDate(date))
    let descriptor = NSSortDescriptor(key: "time", ascending: true)

    fetchRequest.entity = entityDescription
    fetchRequest.predicate = datePredicate
    fetchRequest.sortDescriptors = [descriptor]
    fetchRequest.propertiesToGroupBy = ["time"]

    var error: NSError?
    let result = managedObjectContext?.executeFetchRequest(fetchRequest, error: &error)
    return result!
}