date calculations : Microsoft, Excel, 2007

May 17, 2008 08:06am pdt

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05.09.2008 at 09:51AM PDT, ID: 23390102 | Points: 125

	[x] Attachment Details

date calculations

Zones: Microsoft Excel Spreadsheet Software, General Office Suite Software, Spreadsheet Software

Tags: Microsoft, Excel, 2007

Pulling my hair out on this one.

Cell A1 start time
Cell A2 now()
Cell A3 time difference (between start time and now) in hours and minutes
Cell A4 any amount
Cell a4 time difference * any amount (with minutes as fractions. E.g. 30min is .5)

Thanks in advance

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Question Stats

Zone: Software

Question Asked By: lhtechnical

Question Asked On: 05.09.2008

Participating Experts: 3

Points: 125

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05.09.2008 at 09:54AM PDT, ID: 21534679

Rank: Genius

matthewspatrick:

For A3...

=24*(A2-A1)

05.09.2008 at 09:56AM PDT, ID: 21534686

Rank: Genius

matthewspatrick:

lhtechnical,

The reason it works: Excel stores datetime values as a floating point number, with the integer portion
encoding the number of days from a reference point such as 1 Jan 1900, and the decimal portion
encoding the time.

Regards,

Patrick

05.09.2008 at 09:56AM PDT, ID: 21534690

Rank: Master

nutsch:

A2 = now()
A3 = A2-A1 format hh:mm
A4 = any amount
a4 = a3*a4*24 format #,###.00

05.09.2008 at 10:15AM PDT, ID: 21534840

lhtechnical:

Still not working.

Is the problem that in the start time (A1) im not entering a date as well as time, (would like to not have to)?
File attached

dates.xls (31 KB) (File Type Details)

dates test file

05.09.2008 at 10:26AM PDT, ID: 21534922

Rank: Genius

matthewspatrick:

lhtechnical said:
>>Is the problem that in the start time (A1) im not entering a date as well as time, (would like to not have to)?

NOW() returns current system date and time. You need to either enter the date as well as the time in A1,
or change A2 to something like:

=TIMEVALUE(TEXT(NOW(),"h:mm:ss AM/PM"))

05.09.2008 at 11:27AM PDT, ID: 21535333

Rank: Genius

zorvek:

See the attached workbook. Is this what you are after?

Kevin

dates.xls (31 KB) (File Type Details)

Modified

20080236-EE-VQP-29 / EE_QW_2_20070628