How to calculate time with another time

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Solution (Not Verified) This post has 0 verified solutions | 8 Replies | 4 Followers

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Seshadri posted on 2010-2-19 8:16

Dear user,

       Am doing a time calculation in navision, where am calculating a time + time, Is it possible to calculate or need exact c/Al code  for time calculation.

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Suggested by Luc van Vugt

In this case one of the operand should be Time whereas other as integer (in MilliSeconds)..

For more details have a look on Codeunit 416 DateTime Mgmt.

For example, following code will increment the initial time defined by 1 minute (60*1000  mili seconds):


TimeCalc:=010145T;
TimeCalc:=TimeCalc+60000;
MESSAGE('%1',TimeCalc);

-Dhan Raj Bansal

Linkedin Profile: http://in.linkedin.com/in/dhanrajbansal

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Luc van Vugt replied on 2010-2-19 9:33

What always helps me is to realize that the Time data type is representing a time instance, like 1 o'clock. So wanting to add two time instances (two Time variables) doesn't make sense. BEcause what would the outcome of:

1:00 AM + 5:00 PM = ?

To calculate a new time instance based on a current time instance you need to add a time duration being the "integer (in MilliSeconds" Dhan Rai refers to. So the calculation is:

New Time Instance = Old Time Instance + Time Duration

or in NAV data types:

Time := Time + Integer

Hopes this makes sense.

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Anfinnur replied on 2010-2-19 10:14

Luc van Vugt:
So wanting to add two time instances (two Time variables) doesn't make sense

Oh yes, it does. I have made some rathar large and timeconsuming batches, at I found it handy to know, when the batch is expected to end - an estimation. And at that time you may calc StartTime + EstimatedTimeLft = ExpectedEndTime.

Else - to calculate two times results in an integer. If you want the result in a time-datatype the formula is "ResultTime := 00T + (ActualTime - StartTime)" (00T allows type conversion from integer to time).

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Luc van Vugt replied on 2010-2-19 11:52

But that is still not adding two time instance. Tongue Tied

StartTime + EstimatedTimeLft = ExpectedEndTime

This equation is of type:

New Time Instance = Old Time Instance + Time Duration

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Avril replied on 2012-3-30 17:52

How do you calculate the difference between 2 time instances ? I need to get a duration, based on a starting and ending time ie

 Duration = End time - Start time.

This however does not compile.

 

 

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Luc van Vugt replied on 2012-3-30 17:57

What is you exact code?

Your basic logic is OK:

Avril:
Duration = End time - Start time

But the fact that it does not compile is probably due to soem error in the syntax of you code. So what's your code and also give the definitations of the variables included.

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Marco replied on 2012-12-21 17:31

Hello everybodySmile

I've to calculate a total time of a work adding two duration:

Total Time := (FinalTime1 - InitTime1) + (FinalTime2 - InitTime2). Is it possible?

What kind of types must be the variables?Is Total Time a integer in milliseconds?

Thank You so much

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Mohana replied on 2012-12-22 4:42

Yes Total Time should be Integer datatype and result will be in milliseconds..

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