microsoft-azure-storage/src/com/microsoft/azure/storage/core/Utility.java
public static Date parseRFC1123DateFromStringInGMT(final String value) throws ParseException {
        final DateFormat format = new SimpleDateFormat(RFC1123_GMT_PATTERN, Utility.LOCALE_US);
        format.setTimeZone(GMT_ZONE);
        return format.parse(value);
    }
public static Date parseRFC1123DateFromStringInGMT(final String value) throws ParseException {
        final DateFormat format = new SimpleDateFormat(RFC1123_GMT_PATTERN, Utility.LOCALE_US);
        format.setTimeZone(GMT_ZONE);
        return format.parse(value);
    }
Returns a GMT date for the specified string in the RFC1123 pattern.

@param value
A <code>String</code> that represents the string to parse.

@return A <code>Date</code> object that represents the GMT date in the RFC1123 pattern.

@throws ParseException
If the specified string is invalid.