Calculate The Difference Between Two Dates

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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How To Calculate Difference Between 2 Hijri Dates

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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Calculate The Difference Between Two Dates Ignoring Weekends?

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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.Net Calculate Business Day Difference Between Dates (e.g. Date.IsBusinessDay)?

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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Asp.net - Calculate The Difference Between Two Dates To Display As A Number In Days (VB)?

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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C# - Calculate Difference Between Two Dates In Form `X Years, Y Months, Z Week, A Day`

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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Difference Between 2 Dates

Feb 28, 2012

I am trying to find the difference between two dates. The first of the two dates can be changed and when it is changed, the difference between the original dates has to be retained. This means that I have to automatically change the second date to have the same difference in days as it did before, but with a new first date. [code]I have the value of the old date1(currDate) and the new date1 value(newDate). I need to get the difference between these, and then add or minus these days from the endDate.

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Sql - Difference Between Given Dates?

Jul 20, 2011

I have a sqlce database table that I am entering data every day.

Date No Meter_1 Meter_2 Meter_3
12-05-2010 1 1234 3456 4567
12-05-2010 2 3423 4567 0987

[code]....

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How To Calculate Day Between Two Dates

May 20, 2012

I have 2 textboxes, txtStartDate.Text and txtEndDate.Text, user choose date through calendar date picker. Now I want to count the days between the two selected date and save the result in the database field totalDay(type integer), the following is my code: But when I click button and try to save it into database, I receive this error:
The version of SQL Server in use does not support datatype 'time'.

Imports System
Imports System.Data
Imports System.Data.SqlClient
Imports System.Threading
Imports System.Globalization
[Code] .....

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C# - Days Difference Between Two Dates

Feb 24, 2010

I've been trying many ways to calculate the round number of days between two dates, I mean, counting the whole days. An example of what I need:

[Code]...

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C# - Difference In Months Between Two Dates

Jan 9, 2011

How to calculate the difference in months between two dates in C#? Is there is equivalent of VB's DateDiff() method in C#. I need to find difference in months between two dates that are years apart. The documentation says that I can use TimeSpan like:

[Code]...

but this gives me data in Days. I don't want to divide this number by 30 because not every month is 30 days and since the two operand values are quite apart from each other, I am afraid dividing by 30 might give me a wrong value.

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TimeSpan-difference Between Two Dates

Mar 14, 2011

I want to be able to calculate the difference between two dates, written in SQL db. The difference must be in days/hours format. This is my code:

[Code]...

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Asp.net Difference Of 2 Dates Coming Out Wrong

Feb 7, 2011

I am changing the row color of my gridview based on how many days the task is from today. But it is not working date1 is todays date and date2 is the due date of the task.also when i sort i click on the column headers to sort, the rows change colors..[code]

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Find Difference Between Dates And Time?

Mar 12, 2012

I need a program which shows day and time difference between 2 dates.For example: The user chooses 2011/12/11 10:20:05 and 2010/12/11/ 10:40:35.Then the program shows the difference between them in days ,hours ,minutes and seconds.

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Calculate Number Of Days Between Two Dates?

May 11, 2009

how can i calculate number of days between two dates.....for xample between 24/12/2009

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Calculate Number Of Months Between Two Dates?

Mar 3, 2011

I have two date values.

Example:

Dim d1 As DateTime = New DateTime(2010, 6,6)
Dim d2 As DateTime = New DateTime(2011, 2,2)

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Program To Calculate Loan Using Dates?

May 2, 2009

i'm making a program to calculate loan using dates, the customer borrows an item on a particular day and returns it on a given day else he would have to pay a certain amount of fine per day, which starts from the date of return if the user returns the item 1 day after the Date of Return, he pays a fine of 50pence if the user returns the item 3 days after the Date of Return, he pays a fine of 25pence per day if the user returns the item 10 days after the Date of Return, he pays a fine of 10pence per day and if the user returns the item 30 days after the Date of Return, he pays a fine of 5pence per day i did something like this, but it's not producing the required answer

Dim returned As Date
Dim due As Double
Dim fine As Double

[Code]....

how do i format a datetime in a textbox?

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Comparing Difference Between Any Past And System Dates

Mar 6, 2009

I'm trying to make this program which compares the difference between any date in the past and the system date, showing how many days have elapsed since that date. This is the layout I've created so far, the two date boxes currently show the system date so even if I change the system date, both those boxes will adjust to show it as well. I want to try and make the system date a box without a drop down arrow and so you cannot edit the box at all. The box below is fine how it is as the user can enter any date they desire. And the text box at the bottom needs to show the difference between the system date and the inputted date.

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Get Difference Between Two Dates In Year/Month/Week/Day?

Nov 29, 2011

How to get difference between two dates in Year/Month/Week/Day?

I have a problem with the difference between two dates. I need the out put in 0 YEAR, 0 MONTHS, 0 DAYS LEFTm e.g.:

1 YEAR, 2 MONTHS, 3 DAYS LEFT

With dateDiff function or using anything else it is not pos

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Using Datediff To Establish Difference Between Two Dates Using Datetimepicker?

Jul 19, 2009

I'm using datediff to establish difference between two dates using datetimepicker.i.m nnot getting the right results. a one day difference returns a 0, a two day difference returns a 1 etc. the code I am using is posted below.

days = DateDiff(DateInterval.Day, dtpStart.Value(), dtpEnd.Value())

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Calculate Movie Rental Fees And Due Dates

Nov 4, 2010

I was working on a project afew months ago and I came back to it and been trying to figure out how come I cant get this to work right.I cam across this site and did not know if this is how to show it but if anyone like to help me out I added a pic. [code]

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Calculate The Number Of Months Between 2 Dates In Vb 2008?

Aug 5, 2009

I am attempting to calculate the number of months between 2 dates in vb 2008. Effectively subtracting a date in the past from the current date and then manipulating it to the number of months between the two.

I have done this in VB 6 previously, but can't seem to do it in vb2008.

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Function To Calculate Days Number Between 2 Dates?

Jan 1, 2012

i want a function to calculate days number between 2 dates

for example :

start date = 2011/11/13
end date = 2012/01/02

i want months to be 30 days always .

thats mean
18 days in November
30 days in December
2 days in January
sum = 50 days

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Write A Code That Will Calculate Dates Between Two DateTimePickers

Aug 26, 2010

Im trying to Write a code that will calculate the dates between two DateTimePickers, and display in a txt box?P

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Calculating Date Difference With Timespan And Future Dates?

Nov 12, 2010

I am trying to flag rows in a grid in the following order based on a date column

When 2 or more days old from today
then RED
When 1 day old then YELLOW
When 0 days old then GREEN
When the date is in the future then
BLUE

I have the following which is working fine except for the future dates which are GREEN instead of BLUE.

Dim myDate As DateTime = CType(grdSummaryView.GetRowCellValue(e.RowHandle, "myDate"), DateTime)
Select Case Now.Subtract(myDate).Days
'2 or more days old then RED FLAG
Case Is >= 2

[code]....

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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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How To Calculate Date Difference

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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Function To Calculate Dates Based On Recurrence Pattern?

Aug 6, 2010

Before I build my own and after looking for quite a while (to no avai) does any one know of a function that will return the dates of a recurrence.

For instance:

- The recurrence might be the first Monday of each month.

- The second week of each month.

So what I want is to pass the recurrence information to the function and it will return in an array all the dates that are applicable.I've looked at some other topics here but none are as comprehensive as what I need.

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Calculate Date Difference In SQL Query?

Feb 15, 2012

I need to calculate date difference using flowing query but it does not work. [code]...

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Excel Formula To Calculate Difference Between 1st Value And Last Value In A Column?

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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