How to set only time part of a DateTime variable in C

Question

I have a DateTime variable   DateTime date   DateTime Now    I want to change the time part of a DateTime variable  But when I tried to access time part  hh mm ss  these fields are readonly   Can t I set these properties

User · Answer

It isn t possible as DateTime is immutable  The same discussion is available here  How to change time in datetime

User · Answer

date   new DateTime date year  date month  date day  HH  MM  SS

User · Answer

Use the constructor that allows you to specify the year  month  day  hours  minutes  and seconds   var dateNow   DateTime Now  var date   new DateTime dateNow Year  dateNow Month  dateNow Day  4  5  6

User · Answer

I m not sure exactly what you re trying to do but  you can set the date time to exactly what you want in a number of ways     You can specify 12 25 2010 4 58 PM by using  DateTime myDate   Convert ToDateTime  2010-12-25 16 58 00      OR if you have an existing datetime construct   say 12 25 2010  and any random time  and you want to set it to 12 25 2010 4 58 PM  you could do so like this   DateTime myDate   ExistingTime Date AddHours 16  AddMinutes 58     The ExistingTime Date will be 12 25 at midnight  and you just add hours and minutes to get it to the time you want

User · Answer

you can t change the DateTime object  it s immutable  However  you can set it to a new value  for example   var newDate   oldDate Date   new TimeSpan 11  30  55

[c#] How to set only time part of a DateTime variable in C#

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