If anyone is interested, this is has been implemented in a backwards-compatible way in the latest version of python-dateutil's time zones, so it has been effect

If anyone is interested, this is has been implemented in a backwards-compatible way in the latest version of python-dateutil's time zones, so it has been effectively backported to python 2.6+ and python 3.3+. Release notes: https://github.com/dateutil/dateutil/releases/tag/2.6.0 https://github.com/dateutil/dateutil/releases/tag/2.6.0 Documentation: https://dateutil.readthedocs.io/en/latest/tz.html#dateutil.tz.enfold https://dateutil.readthedocs.io/en/latest/tz.html#dateutil.t...