To view an existing scheduled campaign, click 'Campaigns' then select 'Email Campaigns'. You will see a small clock before the campaign ID as shown below.
Double click the clock and hit 'View Schedules'
In this page you will see the details of your scheduled campaign.
SCHEDULE DATE is the date the campaign will be sent, in this example 06/23/2013 is the schedule date.
TIME is time when you added a schedule, in this example 3:15 am is the scheduled time.
DATE ADDED is the date when you added a schedule, in this example the date added is 06/23/2013.