Calculating Between Two Times in HH:MM "AM / PM" Format

Justinian

Well-known Member
Joined
Aug 9, 2009
Messages
1,557
Office Version
  1. 365
Platform
  1. Windows
I have a massive list of employees who worked more than ten hours in a single shift.

A2 = John Smith
B2 = 7/15/18
C2 = 11:57 AM
D2 = 4:03 AM

My problem is that we use ADP and in our system, you can clock in 7 minutes before or after the start of your shift and still get credit for starting at that time. For example, if I am supposed to start at 8:00 AM, I can clock in anywhere between 7:53 AM and 8:07 AM to be given credit for starting at 8:00 AM. If I clock in at 7:52 AM, I will get paid starting at 7:45 AM. If I clock in at 8:08 AM, I will get paid starting at 8:15 AM.

What I am trying to do is create a formula that converts the times in C2 and D2 to their proper start times using the following:

1) If someone clocks in 7 minutes before or after the beginning of the hour (e.g., 7:53 AM - 8:07 AM) they get credit for starting at the beginning of the hour
2) If someone clocks in 7 minutes before or after quarter past the hour (e.g., 8:08 AM - 8:22 AM), they get credit for starting at quarter past the hour
3) If someone clocks in 7 minutes before or after the half hour (e.g., 8:23 AM - 8:37 AM) they get credit for starting at the half hour
4) If someone clocks in 7 minutes before or after 3 quarters past the hour (e.g., 8:38 AM - 8:52 AM) they get credit for starting at 3 quarters past the hour

How can I create a formula that converts all times to their proper start and stops predicated on the four rules above?
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Last edited:

Excel Facts

Using Function Arguments with nested formulas
If writing INDEX in Func. Arguments, type MATCH(. Use the mouse to click inside MATCH in the formula bar. Dialog switches to MATCH.
Try:
Excel Workbook
CD
311:57 AM12:00 PM
44:03 AM4:00 AM
57:52 AM7:45 AM
67:53 AM8:00 AM
78:07 AM8:00 AM
88:08 AM8:15 AM
98:22 AM8:15 AM
Sheet
 
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