"day" = first number in the "date" column of metadataNorthernStar.csv - e.g. "13/02/1841", day = 13 change instances of "word" to "day" to-morrow = day + 1 tomorrow = day + 1 Sunday = day + 1 on Sunday, = date + 1 Sunday next, = date + 8 Sunday inst., = date + 1 Monday, = date + 2 on Monday, = date + 2 Monday next, = date + 2 Monday inst., = date + 2 this Monday, = date + 2 Tuesday, = date + 3 on Tuesday, = date + 3 this Tuesday, = date + 3 Tuesday next, = date + 3 Tuesday inst., = date + 3 Wednesday, = date + 4 this Wednesday, = date + 4 on Wednesday, = date + 4 Wednesday next, = date + 4 Wednesday inst., = date + 4 Thursday, = date + 5 on Thursday, = date + 5 Thursday next, = date + 5 this Thursday, = date + 5 Thursday inst., = date + 5 Friday, = date + 6 on Friday, = date + 6 Friday next, = date + 6 Friday inst., = date + 6 on Saturday next, = date + 7 Saturday next, = date + 7