| Excel Timesheets | Add & Convert | General Knowledge |
| Part A. Create a basic Excel Timesheet | Add up Hours in Excel | How does excel calculate hours |
| Part B. Insert Unpaid Lunch Breaks | Convert Conventional Hours into a Decimal # | How does excel calculate dates |
| Part C. Calculate Overtime Pay | Convert Hours and Minutes into Minutes | Express Log in and Log out in Excel |
| Timesheets for Night Shifts | Average Hours ignoring Zero's and Error Values | Entering only the last 2 digits of a year |
how does excel calculate hours: How does Excel understand AM and PM hours.
Short Answer:
Excel calculates hours as their fractional value of a 24 hour day.
Long answer:
In excel's mind, 24 hours is 1
In excel's mind, 12 hours is 0.5
Therefore, when you enter in Excel 6:00 am, Excel considers it 0.25
When you enter in Excel 6:00 pm, it thinks of it as 0.75

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