Series.str.zfill(width)

Series.where(cond, other=nan, inplace=False, axis=None, level=None, try_cast=False, raise_on_error=True)

Series.iteritems()

Series.tz_convert(tz, axis=0, level=None, copy=True)

Series.dt.tz_convert(*args, **kwargs)

Series.dt.weekofyear The week ordinal of the year

Series.axes Return a list of the row axis labels

Series.head(n=5)

Series.str.rstrip(to_strip=None)

Series.le(other, level=None, fill_value=None, axis=0)