How to get the last day of the month

Question

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please i will like to know how to get the last day of the month.

i am writing a code which needs me to provide an expiring date as a parameter, now the expiring date as to be the last date of the month.

i can get today date by doing this

C#

DateTime now = DateTime.Today;

but how do i get the last date of the month with this.

thanks

What I have tried:

DateTime now = DateTime.Today

like i explained earlier...

i just need a way to get the last day of the month.

thank you.

Posted 25-Jul-16 22:29pm

Emmablakes

Updated 25-Jul-16 22:38pm

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3 solutions

Solution 1

How is about Google: Google for "c# Last Day of Month"[^]

You will easely find it has to be something like this:

C#

DateTime today = DateTime.Today;
int lastDay = DateTime.DaysInMonth(today.Year, today.Month);

Posted 25-Jul-16 22:35pm

User 11060979

Comments

Richard MacCutchan 26-Jul-16 5:10am

What a pity these so called developers seem incapable of even looking at the documentation.

Karthik_Mahalingam 26-Jul-16 5:25am

counter 5

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Dahal Mahesh · Accepted Answer · 2016-07-25T22:38:00

Solution 3

If date is provided you can get last day in the month by below code.

public static DateTime GetLastDayOfMonth(this DateTime dateTime)
{
    return new DateTime(dateTime.Year, dateTime.Month, DateTime.DaysInMonth(dateTime.Year, dateTime.Month));
}

Posted 25-Jul-16 22:38pm

Dahal Mahesh

Comments

Karthik_Mahalingam 26-Jul-16 5:25am

5!better one

Karthik_Mahalingam · Accepted Answer · 2016-07-25T22:38:00

Solution 4

C#

// To get Last Day
       DateTime today = DateTime.Now;
       int lastDay = DateTime.DaysInMonth(today.Year, today.Month); //31


       // To Get Last Date
       DateTime firstDate = new DateTime(today.Year, today.Month, 1);
       DateTime lastDate = firstDate.AddMonths(1).AddDays(-1); // {07/31/2016 00:00:00}

Posted 25-Jul-16 22:38pm

Karthik_Mahalingam

v2

Comments

[no name] 26-Jul-16 5:14am

+5 :)

Karthik_Mahalingam 26-Jul-16 5:25am

Thank you :)