I've got the results based on the assumption that shift does not end 17.00 and factory functions on Sundays. How can I obtain "Finishing Time" and "Finishing Date" results considering these real-life conditions?

You are given the ready dates and times of some jobs in a job shop. The job shop operates 8 hours a day and 7 days a week Find the finishing date and time of the jobs Starting Date Starting Time Processing Time(min) 7.02.2020 09:00 320 7.02.2020 08:00 545 8.02.2020 15:30 400 8.02.2020 09:40 1350 9.02.2020 16:15 890 43868 0,375 0,222222 43868 0,333333 0,378472 438690,645833 0,277778 43869 0,402778 0,9375 43870 0,677083 0,618056 Finishing Date Finishing Time 7.02.2020 14:20:00 7.02.2020 17:05:00 8.02.2020 22:10:00 9.02.2020 08:10:00 10.02.2020 07:05:00 This exercise is a simplified case of a real world application If job shop does not operate on Sundays, How would you find the finishing date and time of the jobs? You are given the ready dates and times of some jobs in a job shop. The job shop operates 8 hours a day and 7 days a week Find the finishing date and time of the jobs Starting Date Starting Time Processing Time(min) 7.02.2020 09:00 320 7.02.2020 08:00 545 8.02.2020 15:30 400 8.02.2020 09:40 1350 9.02.2020 16:15 890 43868 0,375 0,222222 43868 0,333333 0,378472 438690,645833 0,277778 43869 0,402778 0,9375 43870 0,677083 0,618056 Finishing Date Finishing Time 7.02.2020 14:20:00 7.02.2020 17:05:00 8.02.2020 22:10:00 9.02.2020 08:10:00 10.02.2020 07:05:00 This exercise is a simplified case of a real world application If job shop does not operate on Sundays, How would you find the finishing date and time of the jobs