# Use cases
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 **Running instances only during working hours** 

If you leave all of your instances running at full utilization, this solution can result in up to 76% cost savings for those instances that are only necessary during regular business hours (weekly utilization reduced from 168 hours to 40 hours). For more information, see the [Sample schedule](sample-schedules.md).

 **Stopping instances after working hours** 

If you want to make sure that development instances are off after hours and until needed again, you can use this solution to set an end period without a start period. For more information, see the [Sample schedule](sample-schedules.md).