How to format a cell from date to week?
Dear all,
How to format a cell date like "2009-12-10" to year /week format "YYYYWW" = 200950? Also how to determine number of weeks between 2 weeks like from 200950 to 201002 = 5 weeks? BR//nginhong |
How to format a cell from date to week?
You cannot achieve this with cell formatting. Excel does not support weeks
in a date format. To change a date to yyyyww, use: =year(a1)*100+weeknum(a1) The number of weeks difference between two of these cells, use: =(int(a2/100)-int(a1/100))*52+(mod(a2,100)-mod(a1,100)) This calculates to 4 weeks, not 5, just as the difference between 201001 and 201002 is 1, not 2. If you really want 5 weeks as the answer, add 1 to the above. Regards Fred "nginhong" wrote in message ... Dear all, How to format a cell date like "2009-12-10" to year /week format "YYYYWW" = 200950? Also how to determine number of weeks between 2 weeks like from 200950 to 201002 = 5 weeks? BR//nginhong |
How to format a cell from date to week?
Ans 1:
=YEAR(A1)&WEEKNUM(A1) Ans 2: Assume A3 holds: 200950, and A4 holds 201002 =(LEFT(A4,4)-LEFT(A3,4))*53+RIGHT(A4,2)-RIGHT(A3,2) "nginhong" wrote: Dear all, How to format a cell date like "2009-12-10" to year /week format "YYYYWW" = 200950? Also how to determine number of weeks between 2 weeks like from 200950 to 201002 = 5 weeks? BR//nginhong |
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