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25時表記の時刻データの変換

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深夜のテレビ番組などは25時、26時スタートなどの表記をされることがある。
扱っているデータが、日付の文字列と25時表記の時刻で持っていたので、DateTime形式への変換方法をメモしておく。

test.py
df["日時"] = pd.to_datetime(df["日付"]) + pd.to_timedelta(df["時刻"])

時刻をTimedelta形式にすることで、25時表記の時刻を25時間(1日と1時間)と扱い、datetimeに足し合わせた。

余談

25時表記のことを何と呼べばいいのだろう。。

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