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Python | Pandas.to_datetime() - GeeksforGeeks. When a csv file is imported and a Data Frame is made, the Date time objects in the file are read as a string object rather a Date Time object and Hence it’s very tough to perform operations like Time difference on a string rather a Date Time object. The following are 30 code examples for showing how to use pandas.Timestamp(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.timestamp - A date/timestamp or string to be converted to the given format. fmt - Date/time format pattern to follow. See Datetime Patterns for valid date and time format patterns. Examples: > SELECT date_format('2016-04-08', 'y'); 2016 Since: 1.5.0. date_part. date_part(field, source) - Extracts a part of the date/timestamp or interval source. 補足 Timestamp.to_datetime() で Timestamp-> datetime.datetime へ変換できる. dt.to_datetime() # datetime.datetime(2014, 11, 9, 10, 0) 日時の加算/減算. pd.Timestamp に対して datetime.timedelta, dateutil.relativedeltaを使って日時の加減算を行うこともできるが、