Day of the week: Difference between revisions
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=={{header|J}}== |
=={{header|J}}== |
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<lang j> load 'dates' NB. provides verb 'weekday' |
<lang j> load 'dates' NB. provides verb 'weekday' |
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xmasSunday=: #~ 0 = [: weekday 12 25 ,~"1 0 ] NB. returns years where 25 Dec is a Sunday |
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xmasSunday 2008 + i.114 NB. check years from 2008 to 2121 |
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SunDec25 2008 + i.114 |
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2011 2016 2022 2033 2039 2044 2050 2061 2067 2072 2078 2089 2095 2101 2107 2112 2118</lang> |
2011 2016 2022 2033 2039 2044 2050 2061 2067 2072 2078 2089 2095 2101 2107 2112 2118</lang> |
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