pandas.Timestamp.replace
- 
Timestamp.replace() - 
implements datetime.replace, handles nanoseconds
Parameters: year : int, optional
month : int, optional
day : int, optional
hour : int, optional
minute : int, optional
second : int, optional
microsecond : int, optional
nanosecond: int, optional
tzinfo : tz-convertible, optional
fold : int, optional, default is 0
added in 3.6, NotImplemented
Returns: Timestamp with fields replaced
 
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Licensed under the 3-clause BSD License.
    https://pandas.pydata.org/pandas-docs/version/0.22.0/generated/pandas.Timestamp.replace.html