# datetime — Basic date and time types. # The datetime module supplies classes for manipulating dates and times in both simple and complex ways. While date and time arithmetic is supported, the # ...

データフレームのtimestampをfor文で入ってる分だけ書き変えてた。他の方法を模索。.tz_convert ('Asia/Tokyo')がindexじゃないとダメっぽいので、その方法を使えるようにする。

When creating an Arrow table from a Pandas DataFrame, the table schema contains a field of type timestamp[ns]. When serialising that table to a parquet file and then immediately reading it back, the ...