从Netsuite案例陈述中的日期字段中减去特定日期

We are trying to pull data for year end analysis and have a case statement working inside of results of a netsuite search that normally utilizes a calculation using {today} within the formula. However, since we want to view the results as if "today" was actually "12/31/2016", what would we need to do to change the following?: We are trying to pull data for year end analysi