The Journal Through Date selection criteria can be used to narrow down the time frame for which details will be included in the output.   In this version of the Date control, you have the option of specifying:

Note that if you have enabled the Allow Creation of and Show Fiscal Calendar Options  (unanet.fiscal_calendar.enabled) property, additional 'fiscal' period options will be available in the drop-down.  
Fiscal periods must be established via the Admin >> Setup >> Fiscal Year screen in order to be available for use in reporting.  Specific Fiscal Periods appearing in drop-down lists will be a concatenation of Fiscal Year Name w/ Accounting Period.

 

Journal Dates are specified by the Billing Manager when initially posting the billing and revenue recognition entries and will be equal to the invoice date for those entries generated as a result of completing an invoice.