how get yesterday and tomorrow datetime in c

Question

I have a code   int MonthNow   System DateTime Now Month  int YearNow   System DateTime Now Year  int DayNow   System DateTime Now Day    How can I get yesterday and tomorrow day  month and year in C      Of course  I can just write   DayTommorow   DayNow  1    but it may happen that tomorrow is other month or year  Are there in C  built-in tools to find out yesterday and today

User · Answer

You should do it this way  if you want to get yesterday and tomorrow at 00 00 00 time   DateTime yesterday   DateTime Today AddDays -1   DateTime tomorrow   DateTime Today AddDays 1      Output example  6  02  2016 00 00 00   Just bare in mind that if you do it this way   DateTime yesterday   DateTime Now AddDays -1   DateTime tomorrow   DateTime Now AddDays 1      Output example  6  02  2016 18 09 23   then you will get the current time minus one day  and not yesterday at 00 00 00 time

User · Answer

Today    DateTime Today  Tomorrow     DateTime Today AddDays 1    Yesterday     DateTime Today AddDays -1

User · Answer

Beware of adding an unwanted timezone to your results  especially if the date is going to be sent out via a Web API  Use UtcNow instead  to make it timezone-less

User · Answer

You can find this info right in the API reference   var today   DateTime Today  var tomorrow   today AddDays 1   var yesterday   today AddDays -1

User · Answer

The trick is to use  DateTime  to manipulate dates  only use integers and strings when you need a  final result  from the date   For example  pseudo code     Get  DateTime tomorrow   Now   1  Determine date  day of week  day of month - whatever you want - of the resulting date

User · Answer

Use DateTime AddDays    MSDN Documentation DateTime AddDays Method     DateTime tomorrow   DateTime Now AddDays 1   DateTime yesterday   DateTime Now AddDays -1

User · Answer

You want DateTime Today AddDays 1

User · Answer

To get  local  yesterday in UTC       var now   DateTime Now    var yesterday   new DateTime now Year  now Month  now Day  0  0  0  DateTimeKind Utc  AddDays -1

User · Answer

DateTime tomorrow   DateTime Today AddDays 1   DateTime yesterday   DateTime Today AddDays -1

[c#] how get yesterday and tomorrow datetime in c#

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