def METHOD_NAME(t=None, with_tzone=False, filename=False):
    if t is None:
        t = time.time()
    sout = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(t))
    if with_tzone:
        sout = "%s-%2.2i:00" % (sout, time.timezone/3600)
    if filename:
        sout = sout.replace(' ', '_').replace(':', '')
    return sout