How to calculate the sum of time with SQL?

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I want to calculate the sum of following time fields with a sql query:

02:35
11:15
00:15

Result should be 14:05
How to do this with sql query?

What I have tried:

I don't know how to do this..........................................................

Posted 23-Aug-17 17:20pm

Member 13375600

Updated 23-Aug-17 18:19pm

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itsmypassion · Answer 1 · 2017-08-23T18:19:00

Solution 1

Use following query

SELECT DATEADD(ms, SUM(DATEDIFF(ms, '00:00:00.000', YourFieldName)), '00:00:00.000') as time FROM YourTableName

Posted 23-Aug-17 18:19pm

itsmypassion

Comments

Member 13375600 27-Aug-17 15:43pm

My field name is type of "nchar(5)"

After running the solution1
I got This error:
"Conversion of a nvarchar data type to a datetime data type resulted in an out-of-range value".

Some data in my field are as below
02:12
:
00:05
24:00

itsmypassion 28-Aug-17 0:52am

Use Convert

SELECT DATEADD(ms, SUM(DATEDIFF(ms, '00:00:00.000', convert(datetime,YourFieldName))), '00:00:00.000') as time FROM YourTableName