Convert Python string to date without time

Introduction:

In Python, processing dates and times is a common task, and converting strings to dates is one of the important operations. In many practical applications, we only need the date but not the time, so it is very useful to convert the string into a date object containing only the date. This article will introduce how to use Python to convert a string into a date without time, and provide code examples to help readers better understand and apply it.

Date objects in Python

In Python, date and time operations usually use the datetime module. The datetime module provides a date and time object that facilitates date and time calculation and conversion. In the datetime module, date objects are represented by the date class, time objects are represented by the time class, and date and time objects are represented by the datetime class.

We can use the date class in the datetime module to create a date object that represents a specific date. The date object has three attributes: year, month, and day, and you can access various parts of the date through these attributes.

Here is a sample code that uses the date class to create a date object:

In the above code, we use the strptime() function from the datetime module to convert the string into a date object. The first parameter of this function is the string to be converted, and the second parameter is the format of the string. “%Y-%m-%d” means that the format of the string to be converted is “year-month-day”, where “%Y” means a four-digit year, and “%m” means a two-digit month. “%d” represents a two-digit date.

After converting the string into a date object through the strptime() function, we can use the year, month, and day attributes of the date object to access the corresponding parts of the date.

Convert string to date without time

If we only need the date part in the string and not the time part, we can use the strptime() function in the datetime module to convert the string into a date object, and then obtain the corresponding date through the year, month and day attributes of the date object. part.

Here is an example code that uses the datetime module to convert a string into a date object and remove the time part:

In the above code, we first use the strptime() function to convert the string into a date and time object. We then use the date() method to convert the date and time object into a date object containing only the date.

Precautions

When using the strptime() function to convert a string into a date object, you need to ensure that the string to be converted matches the specified format. If the string to be converted does not match the specified format, a ValueError exception will be thrown.

In addition, the strptime() function can also convert strings into time objects and datetime objects. If we only need the time part, we can get the corresponding part of the time through the hour, minute and second properties of the time object.

Here is a sample code that uses the strptime() function to convert a string into a time object and get the time part:

Summarize

This article describes how to use Python to convert a string into a date without time. We can use the strptime() function in the datetime module to convert the string into a datetime object, and then obtain the corresponding part of the date through the year, month, and day attributes of the date object. When using the strptime() function, you need to ensure that the string to be converted matches the specified format, otherwise an exception will be thrown.

By mastering the method of converting strings into dates, we can better handle date and time-related tasks and improve the readability and practicality of our code.