How to Get All Dates Between Two Dates in Python Using Datetime

Discover how to efficiently get all dates between two specified dates in Python without using Pandas. Learn to format your output to only show dates in `yyyy-mm-dd` format.
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How to Get All Dates Between Two Dates in Python Using Datetime

If you're working with dates in Python, you may encounter a situation where you need to get all dates between two specified dates in a clear and easy-to-read format. In this guide, we will explore how to achieve this with the help of Python's built-in datetime module. We will also resolve a common issue presented in an example where the output includes date and time information, unlike the expected string format.

The Problem

Imagine you want to retrieve all dates between a current date (like today) and a future date (e.g., 2022-08-10). The most important aspect of this task is to present these dates in the yyyy-mm-dd format, without any accompanying time information, which can clutter your output.

Here’s an example of what the expected output should look like:

[[See Video to Reveal this Text or Code Snippet]]

The Original Code Snippet

Here’s the initial attempt at solving the problem using Python:

[[See Video to Reveal this Text or Code Snippet]]

Unfortunately, the output from this code includes datetime objects instead of formatted date strings:

[[See Video to Reveal this Text or Code Snippet]]

The Solution

To resolve this issue and achieve the desired output format, we need to focus on correctly formatting our date strings before appending them to the list. Below is the revised code snippet:

Updated Code

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Code

Import Necessary Modules: We import datetime and timedelta from the datetime module, which allows us to work with dates easily.

Function Definition: We create a function called date_range that accepts future_date as an argument.

Looping Through Dates:

We compute the number of days between today and the end date.

In a loop, we calculate the current date shifted by n days and format it to the desired string format '%Y-%m-%d'.

Appending Dates: Each formatted date is added to date_list.

Returning the List: Finally, we return the list of formatted date strings.

Final Output

Upon running the updated code, the output will be:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By following the steps outlined above, you can efficiently retrieve all dates between two dates in Python. The use of the datetime module allows for a robust solution to handling date manipulations. Whether you're building a calendar application or scheduling events, this approach provides clarity and precision.

Feel free to try the code and adjust the dates as needed. Happy coding!