Get the Timestamp for the start of the period.
See also
Period.end_timeReturn the end Timestamp.
Period.dayofyearReturn the day of year.
Period.daysinmonthReturn the days in that month.
Period.dayofweekReturn the day of the week.
Examples
>>> period = pd.Period('2012-1-1', freq='D')
>>> period
Period('2012-01-01', 'D')
>>> period.start_time
Timestamp('2012-01-01 00:00:00')
>>> period.end_time
Timestamp('2012-01-01 23:59:59.999999999')
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https://pandas.pydata.org/pandas-docs/version/2.3.0/reference/api/pandas.Series.dt.start_time.html