How Can I Convert Between Python's `datetime`, `Timestamp`, and `datetime64`?

Converting between datetime, Timestamp and datetime64

Working with different time representations in Python can be a challenge. NumPy's datetime64, pandas' Timestamp, and datetime's datetime objects each have their own advantages and disadvantages. Here's how to convert between them:

datetime.datetime to Timestamp

Simply use the pd.Timestamp constructor:

import pandas as pd
dt = datetime.datetime(2012, 5, 1)
ts = pd.Timestamp(dt)

datetime64 to datetime.datetime

Again, use the pd.Timestamp constructor:

import numpy as np
import pandas as pd
dt64 = np.datetime64('2002-06-28T01:00:00.000000000+0100')
dt = pd.Timestamp(dt64).to_datetime()

Reference Diagram

For a visual representation of these conversions, refer to the following diagram:

[Image of conversions between time representations]

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