将日期字符串解析为特定的时区？
代码实际上就是这样做的：
TimeZoneInfo ConvTo = TimeZoneInfo.FindSystemTimeZoneById(ConfigurationManager.AppSettings["DefaultTimeZone"]);
DateTimeOffset getDate = TimeZoneInfo.ConvertTime(DateTimeOffset.UtcNow, ConvTo);
string TimeZoneId = " " + getDate.ToString("zzz");
DateTimeOffset cvStartDate = DateTimeOffset.MinValue; DateTimeOffset.TryParse(StartDate + TimeZoneId, out cvStartDate);然后，通过检查日期是否仍然==DateTimeOffset.Minue或将其转换为UTC并添加到数据库中，来检查该日期是否有效，当显示时，它将被转换回AEST。然而，有些日期被推迟了一个小时
// User entered date
string EnteredDate = "2011/01/01 10:00:00 AM";
// Get the timezone we want to use
TimeZoneInfo myTimeZone = TimeZoneInfo.FindSystemTimeZoneById("AUS Eastern Standard Time");
// Find the timezone string of the selected timezone to parse the user string
// This is the part that is incorrect and what i need help with.
DateTimeOffset getDate = TimeZoneInfo.ConvertTime(DateTimeOffset.UtcNow, myTimeZone);
string TimeZoneId = " " + getDate.ToString("zzz");
// Parse the string into the date object
DateTimeOffset cvEnteredDate = DateTimeOffset.MinValue; DateTimeOffset.TryParse(EnteredDate + TimeZoneId, out cvEnteredDate);
// Display
textBox1.Text += "Parsed: " + cvEnteredDate.ToString("yyyy/MM/dd HH:mm:ss zzz") + Environment.NewLine;
// Convert to UTC and display
cvEnteredDate = cvEnteredDate.ToUniversalTime();
textBox1.Text += "UTC: " + cvEnteredDate.ToString("yyyy/MM/dd HH:mm:ss zzz") + Environment.NewLine;
// Convert back to AEST and display
cvEnteredDate = TimeZoneInfo.ConvertTime(cvEnteredDate, myTimeZone);
textBox1.Text += "Changed Back: " + cvEnteredDate.ToString("yyyy/MM/dd HH:mm:ss zzz") + Environment.NewLine;这个的输出是什么？
Parsed: 2011/01/01 10:00:00 +10:00
UTC: 2011/01/01 00:00:00 +00:00
Changed Back: 2011/01/01 11:00:00 +11:00如果将输入的日期更改为：
string EnteredDate = "2011/04/20 10:00:00 AM";得到：
Parsed: 2011/04/20 10:00:00 +10:00
UTC: 2011/04/20 00:00:00 +00:00
Changed Back: 2011/04/20 10:00:00 +10:00相关文章
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