How to keep only date part when using pandas.to_datetime?

Learn how to keep only date part when using pandas.to_datetime? By Pranit Sharma Last updated : September 19, 2023

The datetime is a library in Python which is a collection of date and time. Inside datetime, we can access date and time in any format, but usually, the date is present in the format of "yy-mm-dd" and the time is present in the format of "HH:MM:SS’".

Here,

  • yy means year
  • mm means month
  • dd means day
  • HH means hours
  • MM means minutes
  • SS means seconds

Problem statement

While accessing the date and time from datetime, we always get date and time together, here we are going to learn how to convert Date Time to Date?

Keeping only date part when using pandas.to_datetime

For this purpose, we will simply use the .dt.date property on the specific column of the DataFrame. This will keep/display only date part.

Let us understand with the help of an example:

Python program to keep only date part when using pandas.to_datetime()

# Importing pandas package
import pandas as pd

# Importing datetime package
import datetime

# Creating a dictionaries of datetime
d = {'Datetime':['2021-01-01 20:04:31',
                '2022-01-01 16:14:11',
                '2023-01-01 19:13:22',
                '2024-01-01 23:22:17',
                '2025-01-01 2:54:49']}

# Creating a DataFrame
df = pd.DataFrame(d)

# Display original DataFrame
print("Original DataFrame:\n",df,"\n")


# Converting Date time to date only
# Adding a new column named Date with only dates
df['Date'] = pd.to_datetime(df['Datetime']).dt.date

# Display modified DataFrame
print("Modified DataFrame:\n",df)

Output

Problem statement

Example: keep only date part when using pandas.to_datetime

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