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Converting minutes to hh mm

Posted on 2008-10-25
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Last Modified: 2012-05-05
Hi

Currently I am using  CAST(flexcel.unformatted_remaining / 60 AS varchar(7)) + ':' + RIGHT('00' + CAST(flexcel.unformatted_remaining % 60 AS varchar(3)), 2) to convert minutes to HH:MM. this works well when the Number of minutes is positive i.e 01:10  , however if the number is negative i.e -10:05 problems arise with the display I have tried changing  varchar(3)), 2 to varchar(3)), 3 and different combinations
but when I get the negative right the posetive show wrong and visa  versa
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Question by:Camnoc
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LVL 37

Expert Comment

by:momi_sabag
ID: 22805249
well, when you get the number of minutes (i assume you use datediff) apply the abs function to it, this way it will always be positive
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Author Comment

by:Camnoc
ID: 22805501
What is the abs function. I am using datediff to calculate the .time to minutes. Please understand I am new to sql.
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LVL 61

Expert Comment

by:Kevin Cross
ID: 22805995
This is what momi is referring too:
http://msdn.microsoft.com/en-us/library/ms189800.aspx

SELECT ABS(-200) ;
==> 200
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Author Comment

by:Camnoc
ID: 22806743
This seems to give a result in decimal. I am trying to display -15 min as -00:15 or 15 as 00:15 ??
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LVL 61

Expert Comment

by:Kevin Cross
ID: 22807461
Was just giving you an example of what was being suggested, you will have to same formula you had above with absolute inserted.

CAST(ABS(flexcel.unformatted_remaining) / 60 AS varchar(7)) + ':' + RIGHT('00' + CAST(ABS(flexcel.unformatted_remaining) % 60 AS varchar(3)), 2)
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Accepted Solution

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Kevin Cross earned 2000 total points
ID: 22807472
If we are misunderstanding and you are trying to show negatives, then you can do this instead.

CAST(flexcel.unformatted_remaining / 60 AS varchar(7)) + ':' + RIGHT('00' + CAST(ABS(flexcel.unformatted_remaining) % 60 AS varchar(2)), 2)

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Author Closing Comment

by:Camnoc
ID: 31510011
THANK YOU
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