Abstract: A user is enabled to reserve computer resources using a calendaring graphical user interface (GUI). The calendaring GUI enables viewing of resources currently in use and/or reserved for future use, and/or available for scheduling, that is stored within a scheduling data store. The user may employ the calendaring GUI to visually identify available timeslots to reserve resources, and/or modify, or delete a scheduled job. When the user schedules a job, a reservation identifier (RID) may be provided, which may then be submitted with the job to a distinct scheduler program. Each scheduler program may employ the RID and scheduling data store to determine whether to execute the job, or place the job in a sleep mode. If a job uses more or less than a reserved time, the scheduling data store may be revised to reserve additional time, or to relinquish unused resources.