date-difference

I have the following query : select CONVERT(varchar(12), DATEADD(MILLISECOND, DateDiff(MILLISECOND, '2014-08-04 10:37:28.713','2014-11-04 08:21:17.723'), 0), 114) When I execute this, I get the error : "The datediff function resulted in an overflow. The number of dateparts separating two date/time instances is too large. Try to use datediff with a less precise datepart." When I change the query to the following it works fine : select CONVERT(varchar(12), DATEADD(SECOND, DateDiff(SECOND, '2014-08-04 10:37:28.713','2014-11-04 08:21:17.723'), 0), 114) The problem is that I really need the

I am creating PHP function that will return difference between two dates in a format: 2 Months, 3 Weeks, 6 Days, 3 Hours . I have tried to use PHP DateTime class, but it returns only Months, Days and Hours and I can not find a way to calculate Weeks . This is my function: public function DateTimeDifference($FromDate, $ToDate) { $FromDate = new DateTime($FromDate); $ToDate = new DateTime($ToDate); $Interval = $FromDate->diff($ToDate); $Difference["Hours"] = $Interval->h; $Difference["Days"] = $Interval->d; $Difference["Months"] = $Interval->m; return $Difference; } Now, I need $Difference[

I have a two dates in excel "1/2/2016 01:56:05" and "8/3/2016 06:21:46". How do I calculate the time difference between them in a format of days and hours? Thanks! Try this to include the spelled out hours and minutes: =INT(A2-A1) & " days, " & TEXT(A2-A1,"h "" hours, ""m "" minutes""") Note that since the m comes immediately (ignoring the separator text in quotes) after the h it will be interpreted as minutes and not months I prefer to work with dates as decimals. It looks cumbersome, but I'm much happier knowing what it's doing. What I would usually do is to have A1-A2 in cell A3, then work

I already have a string to calculate the difference in hours between 2 dates which I'd got from stack: 24 * (to_date(to_char(stp.created_date,'YYYY-MM-DD hh24:mi:ss'),'YYYY-MM-DD hh24:mi:ss') - (to_date(to_char(adhh.created_date,'YYYY-MM-DD hh24:mi:ss'),'YYYY-MM-DD hh24:mi:ss'))) diff_hours But I want to see this as HH:MM:SS Here's 2 dates/times as example: STP date 26-Feb-18 12.59.21 ADHH date 26-Feb-18 12.59.32 So I want it to say difference is 00:00:11 (11 seconds) at the moment I get the result as -0.003 hours Thanks in advance as always Assuming the columns are already DATE values (if not