Android Question DateUtils Calculate interval days in hours

DonManfred

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• Jul 29, 2015

• #2

25 hour is the proper value!
But you wann to Interpret IT in another way.
It is up to you to Do the rigth calculations...

Use parsedatetime and use only one date but the two Different Times to calculations the two values

 

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M

Mahares

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• Jul 29, 2015

• #3

B4X:

Dim OrigDateFormat As String = DateTime.dateFormat
DateTime.dateFormat = "MM/dd/yyyy HH:mm"
Dim p As Period
p = DateUtils.PeriodBetween(DateTime.DateParse("07/29/2015 10:00"),DateTime.DateParse("07/30/2015 11:00"))
Log(p.Days & " day(s) " & p.Hours & " hr(s)")  'displays 1 day 1 hr
DateTime.dateFormat =OrigDateFormat

 

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Roberto P.

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• Jul 30, 2015

• #4

Thank you for the answers, but probably will not make myself clear.

I need to calculate the number of hours that there are two periods of dates (with days apart) and I thought that the function PeriodBetween was able to do this calculation ElapsedTime

Thank You

 

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DonManfred

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• Jul 30, 2015

• #5

Roberto P. said:

but probably will not make myself clear.

Click to expand...

even after this post i for myself i´m not sure to understand what exactly you want to do

@Mahares showed you the right way to calculate the period between two dates.

Maybe you should describe it more clearly what exactly is the base, what exactly do you want to archieve and what is the code you are trying to get this result but did not work

 

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Roberto P.

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• Jul 30, 2015

• #6

OK my friend....

this is a simple problem:

start time and date = 07.01.2015 10:00
end date and time = 07/25/2015 06:00

how many hours?

I thought that had already PeriodBetween function that returns the "sum of hours." While, returns the number of days and number of hours "part. In this case the hours are calculated -4.

I repeat, I thought there was the function elapsedtime.

 

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Erel

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• Jul 30, 2015

• #7

If you are only interested in hours then it is simpler to calculate it directly from the ticks values:

B4X:

Sub HoursBetween (StartDate As Long, EndDate As Long) As Int
 Return Floor((EndDate - StartDate) / DateTime.TicksPerHours)
End Sub

 

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Roberto P.

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• Jul 30, 2015

• #8

great Erel
This is exactly what I need. He must instantly code.
Thank You

 

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