I wanted to convert a datetime object (from GitPython) to UTC without adding the pytz dependency.

Learn how to work with date and time values using Python's datetime library, and how to avoid some of the gotchas and pitfalls of the datetime datatype.

Describe alternatives you've considered Timestamp.ToDatetime to take a tzinfo object (though ideally it should always be UTC). Problematic, because it requires first converting to timezone-aware UTC, ...