Calculate The Difference Between 2 Different Times?
Feb 9, 2009
I want to calculate the difference between 2 different times. have the following code:
Code:
tNow = Now.TimeOfDay.Hours & ":" & Now.TimeOfDay.Minutes & ":" & Now.TimeOfDay.Seconds
tEnd = iNum1 & ":" & iNum2 & ":" & iNum3
tTimeRemaining = tEnd - tNow
This works all well until, the variables are the following:
Time Now: 7:36:34 PM
Time End: 12:46:00 AM
Because it passes over from PM to AM it gives me like 18 hours difference.Im lookiing for it to return me 5 hours
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Mar 8, 2010
im currently working with a payroll system as a project i wonder how can i use
TimeDiff(,,,)
in crystal report(FOrmula Fields)what are the proper things to put on it?to find the difference of 2 time or any other way of finding the difference of times?
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Jan 28, 2010
i want to calculate sum of two times example:
[Code]...
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Dec 1, 2009
ok i will try to put this simple as i can. i am a doing computing coursework and as everyone can guess it is a pathetic programme i have to build. i need to work out the time difference between two times imputed by the user. i get high marks from making the programme user friendly so i want to use normal time (hh:mm). i am struggling to calculate the differences between the times.
i have tried to do it manually by working it out by sums and i have triedd to use date variables but vb 2008 just keeps saying i need to use timespan. i have never used system.timespan and have no idea how i am meant to use it.
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Jan 17, 2011
how to get the time difference between 2 date & times Where
from_time falls >= 22:00 of the From_date & the to_time falls <= 06 of the To_Date
for example:
From_Date = 01/01/2011 20:00 ' Where Work Started
To_Date = 02/01/2011 08:00 'Where Work Ended
Time_Covered_Between_22TO06_As_Night = 22:00 to 06:00 is 08:00 hrs How to equate it?
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Oct 19, 2011
I am trying to calculate the difference between 2 times.
So far I have 4 labels.
Label1 = Current date and time.
Label2 = Contains the exact time that the application was last closed.
Label3 = Contains the exact time that the application was opened.
Label4 = I want this label to say how much time in seconds had elapsed between the application last being closed and the application being opened again, in other words the difference in seconds between label 2 and label 3.
Below is what I have done so far, but despite repeated efforts I can't seem to find a way of getting the time difference to show in label 4?
[Code]....
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Dec 18, 2010
i have this function and i want it 2 calculate the difference between two dates and it is suposed to return the difference in days but it it just not working
[Code]....
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May 31, 2011
I'd like do make a program which returns you how old you are, in years, months, weeks and days. But I didn't get it to compare different times. Input is a string which looks like 01.01.2011 (dd.mm.yyyy).
My code so far is this:
Try
dim date1 as string = '01.01.2011'
' Today
Dim date2 As Date
date2 = Date.Now
' number of seconds since date1
[Code] .....
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Feb 15, 2012
I need to calculate date difference using flowing query but it does not work. [code]...
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Jan 11, 2010
I try use datediff function to get month interval between 2 hijri dates but the function deals with the dates as Gregorian Dates so the result is not correct.
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Dec 9, 2009
I want my calculate button to automatically click 4-5 times upon the user clicking it once because it seems that it only works properly if it is clicked multiple times...
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May 1, 2009
I need to calculate the difference between two days excluding weekends.
this code counts the difference between two days.
PHP
Public Class Form1
Dim date1 As Date
Dim date2 As Date
[Code]....
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Aug 27, 2011
I have the following columns : (Using Excel Formula)
A B
------------------------
1 | Date | Value |
------------------------
2 | 8/20/2011 | 92.8 |
3 | 8/21/2011 | 92.4 |
[code]....
I want to calculate the difference between 1st Value (B2) and last Value (last populated row in column B)
Edited :
Using formula : =B2-B6 is not what's required. (I want diff in Cell C2)
I want when the user enters the value in B7 it automatically shows the difference between B2 and B7, when he populates B8 then it shows the diff between B2 and B8 and so on.. I don't want some direct method to do this in Excel and not by iterating all values to check the last value.
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Jan 17, 2010
i want to calculate the difference in hours and minutes between 4:35:20 PM and 7:25:34 PM? how am i able to do this is vb.net?
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Oct 12, 2009
In VB2005 I am trying to calculate the number of business days between two dates. I must also account for U.S. holidays (New Year's Day, Martin Luther King Day, Memorial Day, Independence Day, Labor Day, Veterans Day, Thanksgiving Day/Friday after, Christmas Day). If a holiday falls on a Saturday, then the prior day (Friday) is assumed to be a holiday. Likewise, if the holiday falls on a Sunday then the following day (Monday) is assumed to be a holiday.
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Nov 20, 2011
How do I calculate the difference between two dates to display as a number in days?I have 2 text boxes (txtHStart_Date & txtHEnd_Date) I have used an Ajax Calendar Extender to enter the dates in each of these text boxes.I would like to get the difference between these two dates to show in a seperate text box (txtNoOfDays)
I've seen the timespan function but can seem to get this to work. I'm not to sure how to declare the text boxes as the dates I would the calculation to be made from
Code:
Dim D1 As Date
Dim D2 As Date
Dim ts As New TimeSpan
D1 = txtHStart_Date.Text
D2 = txtHEnd_Date.Text
ts = D2 - D1
But I know this isn't right. I also don't know how to get it to display in the 3rd TextBox.
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Jul 10, 2011
How to get difference between two dates in Year/Month/Week/Day?
How do i calculate exact difference between to date including years, days, moths, weeks. Just like windows calculator does. ?
And represent like this 1 years, 1 months, 1 week, 1 day
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Apr 26, 2011
So I was assigned to create a calculator that can calculate the sum, product, difference, & quotient using an external class. Unfortunately my teacher isn't exactly the best and I'm new to VB, I know how to create a calculator in VB .NET but when it comes to external classes,
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Jun 18, 2012
I am trying to calculate the time difference between two points in time. I am using: Environment.TickCount.I set a long variable to the Environment.TickCount and then a second long variable to Environment.TickCount at a later point in time. I then subtract the second long variable from the first long variable, yet an incorrect difference is returned.
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Dec 12, 2011
I want to enlarge an image, possibly up to 32 times or 64 times bigger than original dimensions (so that the user can see each pixel) if possible. The following is a simple function that I have to enlarge an image.
Private Function xEnlarge(ByVal Source As Image, ByVal Rate As Double, Optional ByVal Quality As Drawing2D.InterpolationMode = Drawing2D.InterpolationMode.HighQualityBicubic) As Image
[Code].....
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Mar 30, 2009
I am trying to calculate the number of years for my calculate age event handler, however i am apparently missing a method or whatnot because im trying to calculate the age , can anyone suggest help on this. I need to subtract years to get my age but when i try the birthdate.Subtract (currentDate) method i get an error about not able to convert from LONG?
So below is what I have.
Private Sub btnCalculateAge_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculateAge.Click
Dim currentDate As Date
Dim BirthDate As Date
Dim Age As Long
[CODE]
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May 13, 2009
I have just started using vb.net and I have a checked list box with times throughout the day shown as
00:00 - 00:14
00:15 - 00:29
00:30 - 00:44
00:45 - 00:59
What I am trying to find is a way to get the current time and find which list item it fits into. What I think I need to do is to first of all get the current time and then go through the list splitting each item into 2 times and seeing if the current time fits. For example: Split the item 00:00 - 00:14 to 00:00 and 00:14 and then check if the current time is more than 00:00:00 but less than 00:14:59 and if so do certain task.how to go about taking each list item and splitting it into 2 separate times so I can check between them?
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Nov 21, 2010
i am trying to make a coin toss program where you toss a coin a certain number of times then repeat it a certain number of times.
the problem i have is "heads(counter2)" the word "heads" has a blue error line under it how do i sort the error out and also is all the code right
Public Class Form1
Dim tosses, repeat, heads As Integer
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[code]....
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Apr 25, 2012
i want to subtract 18 years from a vb date object here's the code example:
Dim someVar
DirectCast(pcontrol, DateTimePicker).Value = Date.Now.Subtract(someVar)
someVar value is ?
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Mar 31, 2011
I need to tab over a certain amount of times in a text fileI am using chr(9) for the tab, but I don't want to have to put in a bunch of those.
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Feb 6, 2010
How would you make the Interval of a timer to be between two times.
E.g if you wanted an event to occur between every 7 and 20 seconds?
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Feb 1, 2012
Imports System.Web
Imports System.Net
Imports System.Net.ServicePointManager
Public Class GetSource
Function GetHtml(ByVal strPage As String) As String
tryAgain:
[Code]...
What I got here is a vb.net code where I parse the website for its html This function works fine. The question is this...
1.If I run 100 threads with this function at the same time, Will it work?
2.Won't it affect my internet connection as well?
I don't want to waste time creating threads and codes a hundred times so if you know the answer please advice me on what should I do instead
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Jul 15, 2011
I am creating a Time Sheet Calculator Application and just need to find out how to add numbers that are in hourly form. For example 2:39 (two hours and thirty nine minutes). I know how to create code for simple addition of decimal numbers, but does VB 2010 have some kind of way of adding hours and returning a number in hourly form.
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Jul 29, 2009
i have a tab control thing and i want to make it transparent. When i set each tab to that is just turns gray, even when i run it. Can someone help me. I dont want to have to apply the same image to each tab several times.
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Aug 22, 2009
I call a sub about 10 times under a button, is there any trick to know in the sub code, if it is the first called sub running or the 2nd...?
getResults(0, 10)
MsgBox("pause")
getResults(10, 10)
MsgBox("pause")
[CODE]...
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