Backup Scheduler for Time Machine lets you control when Time Machine backs up your data.

Features:

• Backup time interval options range from 10 minutes to 1 week
• Option to backup when the computer is idle
• Backup when time interval is reached And/Or the computer is idle
• App helper is available free from our website to make backups start automatically
• Start app automatically
• Dock/menubar icons can be hidden
• App only schedules backups, everything else is done by the system

Important: Time Machine backup in System Preferences should be OFF to prevent the system ALSO doing its default hourly backups. Otherwise it continues to do its backups in every hour!