C# TimeZoneInfo IsInvalidTime

Description

TimeZoneInfo IsInvalidTime indicates whether a particular date and time is invalid.

Syntax

TimeZoneInfo.IsInvalidTime has the following syntax.


public bool IsInvalidTime(
  DateTime dateTime
)

Parameters

TimeZoneInfo.IsInvalidTime has the following parameters.

dateTime - A date and time value.

Returns

TimeZoneInfo.IsInvalidTime method returns true if dateTime is invalid; otherwise, false.

Example


//from www .  ja va  2 s .  c  o  m
using System;
public class MainClass{
  public static void Main(String[] argv){  
    // Specify DateTimeKind in Date constructor
    DateTime baseTime = new DateTime(2007, 3, 11, 1, 59, 0, DateTimeKind.Unspecified);
    DateTime newTime;
    
    // Get Pacific Standard Time zone
    TimeZoneInfo pstZone = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");
    
    // List possible invalid times for a 63-minute interval, from 1:59 AM to 3:01 AM 
    for (int ctr = 0; ctr < 63; ctr++)
    {
       // Because of assignment, newTime.Kind is also DateTimeKind.Unspecified
       newTime = baseTime.AddMinutes(ctr);
       Console.WriteLine("{0} is invalid: {1}", newTime, pstZone.IsInvalidTime(newTime));
    }

  }
}

The code above generates the following result.