def is_after(t1, t2):
    """Takes 2 time objects, returns True if t1 follows t2 chronologically, otherwise False
    """
    t1_seconds = t1.second + t1.minute*60 + t1.hour*3600
    t2_seconds = t2.second + t2.minute*60 + t2.hour*3600
    return t1_seconds > t2_seconds