Here you can find the source of parseRFC3339Date(String date)
public static Date parseRFC3339Date(String date)
//package com.java2s; //License from project: Open Source License import android.util.Log; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; public class Main { private static final String TAG = "DateUtils"; /**//from www. j ava 2s. c o m * RFC 3339 date format for UTC dates. */ public static final String RFC3339UTC = "yyyy-MM-dd'T'HH:mm:ss'Z'"; /** * RFC 3339 date format for localtime dates with offset. */ public static final String RFC3339LOCAL = "yyyy-MM-dd'T'HH:mm:ssZ"; private static ThreadLocal<SimpleDateFormat> RFC3339Formatter = new ThreadLocal<SimpleDateFormat>() { @Override protected SimpleDateFormat initialValue() { return new SimpleDateFormat(RFC3339UTC, Locale.US); } }; public static Date parseRFC3339Date(String date) { Date result = null; SimpleDateFormat format = RFC3339Formatter.get(); boolean isLocal = date.endsWith("Z"); if (date.contains(".")) { // remove secfrac int fracIndex = date.indexOf("."); String first = date.substring(0, fracIndex); String second = null; if (isLocal) { second = date.substring(date.length() - 1); } else { if (date.contains("+")) { second = date.substring(date.indexOf("+")); } else { second = date.substring(date.indexOf("-")); } } date = first + second; } if (isLocal) { try { result = format.parse(date); } catch (ParseException e) { e.printStackTrace(); } } else { format.applyPattern(RFC3339LOCAL); // remove last colon StringBuffer buf = new StringBuffer(date.length() - 1); int colonIdx = date.lastIndexOf(':'); for (int x = 0; x < date.length(); x++) { if (x != colonIdx) buf.append(date.charAt(x)); } String bufStr = buf.toString(); try { result = format.parse(bufStr); } catch (ParseException e) { e.printStackTrace(); Log.e(TAG, "Unable to parse date"); } finally { format.applyPattern(RFC3339UTC); } } return result; } }