@classmethod
def split(cls, s):
    """
        Split the TZ from string.
        @param s: A string containing a timezone
        @type s: str
        @return: The split parts.
        @rtype: tuple
        """
    m = cls.pattern.search(s)
    if m is None:
        return s,
    x = m.start(0)
    return s[:x], s[x:]
