def register(f):
    filters[f.__name__] = f
    return f
Return 0 if DST is not in effect, or the DST offset (in minutes
dataset/ETHPy150Open willowtreeapps/tango-core/tango/filters.py/register--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/datetime.py/time.dst