Time calculation

[DMurray3]

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mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} </style> <![endif]--> Hi all,
I am trying to build a time sheet to calculate daytime, night-time and total hours.


Daytime: from 06:00 to 19h00
Night-time: 19h00 to 06:00


Employee shifts (start to end)
E1: 07:00 to 20:00
E2: 18:00 to 07:00
E3: 05:00 to 18:00
E4: 17:00 to 05:00

The questions for each employee/shift are:
a) Total number of hours: I can obtain this using MOD(end-start,1).. no problem

b) Total number of “daytime” hours
c) Total number of “night-time” hours

I am trying to avoid writting extremely complex “if()s” to obtain answers (b) and (c). More specifically, I am looking for a way to do this using lookup functions [index(), match(), etc.] –in regular or matrix notation. I would be also be interested in getting some help with User Defined functions using VBA...


If anyone could provide some guidance and/or a working example, I’d be very grateful.

Kind regards,


DMurray3