On Fri, Apr 1, 2016 at 1:32 AM Nagy László Zsolt <gandalf at shopzeus.com> wrote: > Does anyone know a library that already implements these functions? > What do you not like about the ones on PyPI? https://pypi.python.org/pypi?%3Aaction=search&term=interval&submit=search Depending on the resolution you want, you might be able to use builtin sets for everything. def interval(start, stop, precision=60): a = round(start.timestamp(), precision) b = round(stop.timestamp(), precision) return set(range(a, b, precision))