How do i convert a date string to a date in python?
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In this post, you’ll learn how to convert a Python string to a date, using the Show
Working with dates, times, and timezones is a problem often faced in software development. The dates and times you receive back may not always be in a datetime format. It then becomes important to convert them. The
Quick Answer: Use Datetime’s from datetime import datetime date_string = '2021-12-31' datetime = datetime.strptime(date_string, '%Y-%m-%d') print(datetime) # Returns: 2021-12-31 00:00:00 Let’s dive in!
Python Datetime Strptime: What is it?Python’s The One of the very helpful methods that we can use within the The method looks like this: datetime.strptime(date_string=, format=)
How do you convert Python String to Date?In order to convert a Python string to a date (or datetime), we can use the datetime Let’s see how we can do this:
from datetime import datetime date_string = '2021-12-31 15:37' datetime = datetime.strptime(date_string, '%Y-%m-%d %H:%M') print(datetime) # Returns: 2021-12-31 15:37:00 At first glance, these format codes may look a little funny. You’ll learn all about some different examples in the next section. What are Datetime’s Format Codes?The
For example, if you’re given a string that looks like this: The important thing to know here is that characters like commas or colons need to be included as well. This may feel a bit unnatural but think of the format codes as placeholders. To see the rest of the format codes, check out the official documentation here. Convert a Pandas column to datetime with strptimePandas has a very helpful built-in tool called Let’s load this dataframe and see what it looks like: import pandas as pd
df = pd.DataFrame.from_dict(
{
'Name': ['Jane', 'Melissa', 'John', 'Matt'],
'Hire Date': ['2021-03-13', '2019-01-01', '2018-04-12', '2016-12-12'],
'Gender': ['F', 'F', 'M', 'M']
}
)
print(df)This returns: Name Hire Date Gender 0 Jane 2021-03-13 F 1 Melissa 2019-01-01 F 2 John 2018-04-12 M 3 Matt 2016-12-12 M Now, let’s use
the method to convert the df['Hire Date'] = pd.to_datetime(df['Hire Date']) However, if you wanted to use the datetime df['Hire Date'] = df['Hire Date'].apply(lambda x: datetime.strptime(x, '%Y-%m-%d')) ConclusionIn this post, you learned how to convert a Python string to date or datetime. You learned how the datetime strptime function works, what datetime format codes are, as well as how to handle string to date conversion in Pandas. To learn more about the datetime strptime function, check out the official documentation here. How do I convert a string to a date?Let's see the simple code to convert String to Date in java.. import java.text.SimpleDateFormat;. import java.util.Date;. public class StringToDateExample1 {. public static void main(String[] args)throws Exception {. String sDate1="31/12/1998";. Date date1=new SimpleDateFormat("dd/MM/yyyy").parse(sDate1);. How do you convert string to time in Python?We can convert a string to datetime using strptime() function. This function is available in datetime and time modules to parse a string to datetime and time objects respectively.
How do I change the date format in Python?Use datetime. strftime(format) to convert a datetime object into a string as per the corresponding format . The format codes are standard directives for mentioning in which format you want to represent datetime. For example, the %d-%m-%Y %H:%M:%S codes convert date to dd-mm-yyyy hh:mm:ss format.
How do you parse a date in Python?Python has a built-in method to parse dates, strptime . This example takes the string “2020–01–01 14:00” and parses it to a datetime object. The documentation for strptime provides a great overview of all format-string options.
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