Oracle: DBA_SCHEDULER_WINDOWS

select
   win.owner,
   win.window_name,
   win.comments,   
   win.enabled,   
   win.repeat_interval,      
   win.duration,
   win.next_start_date,   win.last_start_date,
   win.manual_duration,
   win.manual_open_time,
   win.active,   
   win.resource_plan,                            -- dba_rsrc_plans, dba_rsrc_plan_directives
   win.schedule_owner,   
   win.schedule_name,
   win.schedule_type,
   win.start_date,         win.end_date,
   win.window_priority
from
   sys.dba_scheduler_windows win;