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I will first put an end date to my "Normal work schedule" using the end date column and marking the end as 2 9 June 2013.
Then I'll use the 
signs on the right hand side to add dates to it to reflect my upcoming shifting schedule. First, I'll start with the week of June 10-June 14 where I'm working 8:00am-3:00pm Monday-Wednesday then 10:00am-5:00pm Thursday & Friday:
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