daynumberofquarter - script and chart function

This function calculates the day number of the quarter in which a timestamp falls.

Syntax:

DayNumberOfQuarter(timestamp[,start_month])

Return data type: integer

The function always uses years based on 366 days.

Arguments:

Argument	Description
timestamp	The date to evaluate.
start_month	By specifying a start_month between 2 and 12 (1, if omitted), the beginning of the year may be moved forward to the first day of any month. For example, if you want to work with a fiscal year starting March 1, specify start_month = 3.

These examples use the date format DD/MM/YYYY. The date format is specified in the SET DateFormat statement at the top of your data load script. Change the format in the examples to suit your requirements.

Example

Result

DayNumberOfQuarter('12/09/2014')

Returns 74, the day number of the current quarter.

DayNumberOfQuarter('12/09/2014',3)

Returns 12, the day number of the current quarter.
In this case, the first quarter starts with March (because start_month is specified as 3). This means that the current quarter is the third quarter, which started on September 1.

Add the example script to your app and run it. Then add, at least, the fields listed in the results column to a sheet in your app to see the result.

ProjectTable:

LOAD recno() as InvID, * INLINE [

StartDate

28/03/2014

10/12/2014

5/2/2015

31/3/2015

19/5/2015

15/9/2015

] ;

NrDays:

Load *,

DayNumberOfQuarter(StartDate,4) As DayNrQtr

Resident ProjectTable;

Drop table ProjectTable;

The resulting table shows the returned values of DayNumberOfQuarter for each of the records in the table.

InvID	StartDate	DayNrQtr
1	28/03/2014	88
2	10/12/2014	71
3	5/2/2015	36
4	31/3/2015	91
5	19/5/2015	49
6	15/9/2015	77

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