convert timestamp to datetime csharp code

                
                        public static DateTime UnixTimeStampToDateTime( double unixTimeStamp )
{
    // Unix timestamp is seconds past epoch
    System.DateTime dtDateTime = new DateTime(1970,1,1,0,0,0,0,System.DateTimeKind.Utc);
    dtDateTime = dtDateTime.AddSeconds( unixTimeStamp ).ToLocalTime();
    return dtDateTime;
}
                    
                

csharp datetime now timestamp

                        
                                var Timestamp = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds();
                            
                        

csharp datetime to timestamp

                        
                                DateTimeOffset.UtcNow.ToUnixTimeSeconds()
                            
                        

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