How Do I Parse DateTime Strings with Time Zones like PST, CEST, and UTC?

DateTime string containing time zone information (such as PST, CEST, and UTC) string

Question

When trying to analyze the international date time strings including time zone information (such as CEST, PST, UTC, etc.), you may be difficult to find a suitable format string to process the time zone abbreviation.

Solution

Although the standard date time format string element does not include a specific mode of time zone abbreviation, the system recognition time zone offset. By replacing the abbreviation to the corresponding offset, analysis is possible. For example:

In the above code fragment, the original time zone abbreviation "CEST" is replaced with the corresponding offset "2", "02" and "02:00". Format string "Z", "ZZ" and "ZZZ" represent the time zone abbreviation of a letter, the time zone abbreviation of the two letters, and the number of symbol numbers with a optional minute decimal.

<code class="language-csharp">CultureInfo culture = CultureInfo.CreateSpecificCulture("nl-BE");

DateTime dt1 = DateTime.ParseExact("24-okt-08 21:09:06 CEST".Replace("CEST", "+2"), "dd-MMM-yy HH:mm:ss z", culture);
DateTime dt2 = DateTime.ParseExact("24-okt-08 21:09:06 CEST".Replace("CEST", "+02"), "dd-MMM-yy HH:mm:ss zz", culture);
DateTime dt3 = DateTime.ParseExact("24-okt-08 21:09:06 CEST".Replace("CEST", "+02:00"), "dd-MMM-yy HH:mm:ss zzz", culture);</code>

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