topic Re: INTCK Weekday in New SAS User https://communities.sas.com/t5/New-SAS-User/INTCK-Weekday/m-p/559879#M10400 <P>INTCK counts the number of boundaries crossed.&nbsp; It does not count May 1, in your example.&nbsp; The first "crossing" is the boundary from May 1 to May 2.</P> Sat, 18 May 2019 14:03:36 GMT Astounding 2019-05-18T14:03:36Z INTCK Weekday https://communities.sas.com/t5/New-SAS-User/INTCK-Weekday/m-p/559878#M10399 <P>data test2;<BR />weekdays=intck('Weekday','01May2019'd,'18May2019'd);<BR />run;<BR /><BR />it suppose to give me 13 days but giving 12 days, Any one know why it is giving 12 days</P> Sat, 18 May 2019 15:27:39 GMT https://communities.sas.com/t5/New-SAS-User/INTCK-Weekday/m-p/559878#M10399 Kraj1989 2019-05-18T15:27:39Z Re: INTCK Weekday https://communities.sas.com/t5/New-SAS-User/INTCK-Weekday/m-p/559879#M10400 <P>INTCK counts the number of boundaries crossed.&nbsp; It does not count May 1, in your example.&nbsp; The first "crossing" is the boundary from May 1 to May 2.</P> Sat, 18 May 2019 14:03:36 GMT https://communities.sas.com/t5/New-SAS-User/INTCK-Weekday/m-p/559879#M10400 Astounding 2019-05-18T14:03:36Z Re: INTCK Weekday https://communities.sas.com/t5/New-SAS-User/INTCK-Weekday/m-p/559932#M10404 <P>Look at this little test:</P> <P>&nbsp;</P> <PRE>50 data _null_; 51 fromDate = '01May2019'd; 52 do toDate = fromDate to '18May2019'd; 53 weekdays=intck('Weekday', fromDate, toDate); 54 put fromDate downame. +1 fromDate yymmdd10. +1 55 toDate downame. +1 toDate yymmdd10. +1 56 weekDays; 57 end; 58 run; Wednesday 2019-05-01 Wednesday 2019-05-01 0 Wednesday 2019-05-01 Thursday 2019-05-02 1 Wednesday 2019-05-01 Friday 2019-05-03 2 Wednesday 2019-05-01 Saturday 2019-05-04 2 Wednesday 2019-05-01 Sunday 2019-05-05 2 Wednesday 2019-05-01 Monday 2019-05-06 3 Wednesday 2019-05-01 Tuesday 2019-05-07 4 Wednesday 2019-05-01 Wednesday 2019-05-08 5 Wednesday 2019-05-01 Thursday 2019-05-09 6 Wednesday 2019-05-01 Friday 2019-05-10 7 Wednesday 2019-05-01 Saturday 2019-05-11 7 Wednesday 2019-05-01 Sunday 2019-05-12 7 Wednesday 2019-05-01 Monday 2019-05-13 8 Wednesday 2019-05-01 Tuesday 2019-05-14 9 Wednesday 2019-05-01 Wednesday 2019-05-15 10 Wednesday 2019-05-01 Thursday 2019-05-16 11 Wednesday 2019-05-01 Friday 2019-05-17 12 Wednesday 2019-05-01 Saturday 2019-05-18 12 </PRE> <P>Note that weekends are lumped with Fridays in the counting of weekdays.</P> Sun, 19 May 2019 03:06:43 GMT https://communities.sas.com/t5/New-SAS-User/INTCK-Weekday/m-p/559932#M10404 PGStats 2019-05-19T03:06:43Z