convert-python-datetime-to-epoch
convert a datetime object to milliseconds since epoch
https://docs.python.org/3/library/datetime.html#module-datetime
how-to-interpolate-data-with-timestamp-indices-in-python
https://github.com/kefeimo/Time-series-data-processing-notebooks
pandas-interpolate-time-vs-linear
基本上涵盖了使用pandas处理时间序列的所有要点Time-Series Data Processing Workflow
difference-between-data-type-datetime64ns-and-m8ns