You can convert DateTime to Date in pandas by using dt.date and dt.normalize() methods. In Pandas, DateTime is a collection of date and time in the format of “YYYY-MM-DD HH:MM:SS” where YYYY-MM-DD is referred to as the date and HH:MM:SS is referred to as Time.
In this article, I will cover how to convert DateTime to date by extracting only date from the date and time column of DataFrame.
1. Quick Examples of pandas Convert Datetime to Date
If you are in a hurry, below are some quick examples of how to convert the DateTime column to Date.
# Below are quick example
# Using Date function
df['Date'] = pd.to_datetime(df["InsertedDateTime"]).dt.date
# Using single date function
Datetime = '2021-11-15 21:04:15'
df2 = pd.to_datetime(Datetime).date()
# Using normalize() method
df['Date'] = pd.to_datetime(df["InsertedDateTime"]).dt.normalize()
Now, let’s create a DataFrame with a few rows and columns, execute these examples and validate results. Our DataFrame contains column names Courses, Fee and InsertedDateTime.
import pandas as pd
technologies = ({
'Courses':["Spark","PySpark","Hadoop","Python","Pandas"],
'Fee':[22000,25000,23000,24000,26000],
"InsertedDateTime":['2021-11-15 21:04:15','2020-05-04 22:04:10','2018-01-26 15:23:14','2019-02-18 10:05:18','2021-12-10 15:13:21']
})
df = pd.DataFrame(technologies)
print(df)
Yields below output.
Courses Fee InsertedDateTime
0 Spark 22000 2021-11-15 21:04:15
1 PySpark 25000 2020-05-04 22:04:10
2 Hadoop 23000 2018-01-26 15:23:14
3 Python 24000 2019-02-18 10:05:18
4 Pandas 26000 2021-12-10 15:13:21
2. Convert Datetime to Date
The DateTime column can store date and time together, If you want just the date and do not want time in format YYYY-MM-DD format use pandas.to_datetime().dt.date. Here, pandas.to_datetime() is used to convert String column to DateTime.
# Using Date function
df['Date'] = pd.to_datetime(df["InsertedDateTime"]).dt.date
print(df)
Yields below output.
Courses Fee InsertedDateTime Date
0 Spark 22000 2021-11-15 21:04:15 2021-11-15
1 PySpark 25000 2020-05-04 22:04:10 2020-05-04
2 Hadoop 23000 2018-01-26 15:23:14 2018-01-26
3 Python 24000 2019-02-18 10:05:18 2019-02-18
4 Pandas 26000 2021-12-10 15:13:21 2021-12-10
If the date in the string column is already in date format, then just use date() to truncate the time.
# Using single date function
Datetime = '2021-11-15 21:04:15'
df2 = pd.to_datetime(Datetime).date()
print(df2)
# Output:
# 2021-11-15
3. Convert Datetime to Date Using normalize() Method
You can convert DateTime to date using normalize() method. Use pd.to_datetime(df["InsertedDateTime"]).dt.normalize() method to normalize the data by extracting the date from DateTime.
# Using normalize() method
df['Date'] = pd.to_datetime(df["InsertedDateTime"]).dt.normalize()
print(df)
Yields same output as above.
5. Complete Example Of Convert Datetime to Date
import pandas as pd
technologies = ({
'Courses':["Spark","PySpark","Hadoop","Python","Pandas"],
'Fee':[22000,25000,23000,24000,26000],
"InsertedDateTime":['2021-11-15 21:04:15','2020-05-04 22:04:10','2018-01-26 15:23:14','2019-02-18 10:05:18','2021-12-10 15:13:21']
})
df = pd.DataFrame(technologies)
print(df)
# Using Date function
df['Date'] = pd.to_datetime(df["InsertedDateTime"]).dt.date
print(df)
# Using single date function
Datetime = '2021-11-15 21:04:15'
df2 = pd.to_datetime(Datetime).date()
print(df2)
# Using normalize() method
df['Date'] = pd.to_datetime(df["InsertedDateTime"]).dt.normalize()
print(df)
Conclusion
In this article, you have learned how to convert DateTime to date in pandas by using dt.date() and dt.normalize() methods and with more examples.
Happy Learning !!
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