**To describe an available schedule** This example describes a schedule that occurs every week on Sunday, starting on the specified date. Command:: aws ec2 describe-scheduled-instance-availability --recurrence Frequency=Weekly,Interval=1,OccurrenceDays=[1] --first-slot-start-time-range EarliestTime=2016-01-31T00:00:00Z,LatestTime=2016-01-31T04:00:00Z Output:: { "ScheduledInstanceAvailabilitySet": [ { "AvailabilityZone": "us-west-2b", "TotalScheduledInstanceHours": 1219, "PurchaseToken": "eyJ2IjoiMSIsInMiOjEsImMiOi...", "MinTermDurationInDays": 366, "AvailableInstanceCount": 20, "Recurrence": { "OccurrenceDaySet": [ 1 ], "Interval": 1, "Frequency": "Weekly", "OccurrenceRelativeToEnd": false }, "Platform": "Linux/UNIX", "FirstSlotStartTime": "2016-01-31T00:00:00Z", "MaxTermDurationInDays": 366, "SlotDurationInHours": 23, "NetworkPlatform": "EC2-VPC", "InstanceType": "c4.large", "HourlyPrice": "0.095" }, ... ] } To narrow the results, you can add filters that specify the operating system, network, and instance type. Command: --filters Name=platform,Values=Linux/UNIX Name=network-platform,Values=EC2-VPC Name=instance-type,Values=c4.large