java - What is this date format? 2011-08-12T20:17:46.384Z - Stack Overflow

The T is just a literal to separate the date from the time, and the Z means "Zulu time" (UTC). If your strings always have a "Z" you can use:

SimpleDateFormat format = new SimpleDateFormat(      "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US);  format.setTimeZone(TimeZone.getTimeZone("UTC"));

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