You have time values in the the date column in your lookup table. cell formatted as month with a value of (2023-5-1) does not equal cell formatted as month with a value of (2023-5-1 8:00 am)
Rates James Job Builder Apprentice Column1 Start Stop Time Job Crawford 65 40 May 1/05/2023 07:30 17:00 9.00 Crawford Crawford Extras 65 40 May 1/05/2023 07:30 17:00 9.00 Crawford Auckland rd Lot 1 65 40 May 1/05/2023 Auckland Rd Lot 2 65 40 May 1/05/2023 Auckland Rd extras 65 40 May 2/05/2023 88 TeAwa Ave 65 40 May 2/05/2023 May 2/05/2023 May 3/05/2023 May 3/05/2023 May 3/05/2023 May 4/05/2023
JS MT 1 2 Jan 0 Jan 0 Jan 0 Jan 0 Jan 0 Feb 0 Feb 0 Feb 0 Feb 0 Feb 0 Mar 0 Mar 0 Mar 0 Mar 0 Mar 0 Apr 0 Apr 0 Apr 0 Apr 0 Apr 0 May Crawford 9.00 9.00 0.00 0.00 1 May 1 May 1 May 1 May 1
ok. this was the answer... thank you both for your patience!your month value in column F needs to be something like this: Date(Year(G7),Month(G7),1)
or G7-Day(G7)+1