Calendar: Displays time intervals according to the standard calendar year, for example Month/Year.
Fiscal: Displays time intervals according to the fiscal year, for example FM1/FY2004, FM2/FY2004.
Week of Year: Displays the date intervals as a number for each week of the year, consecutively, beginning with January.
Ordinal Dates: Displays time intervals according to ordinal intervals, based on a start date you specify. If you choose this option, also select a standard date or a custom date.