def __init__(self, formatter, verbose=0):
        sgmllib.SGMLParser.__init__(self, verbose)
        self.formatter = formatter
Calculate the beginning of given time, based on time step.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/htmllib.py/HTMLParser.__init__--crossover with--dataset/ETHPy150Open apache/climate/ocw/data_source/rcmed.py/_beginning_of_date