How to Add Days to a Date in Programming

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Adding days to a date is a common task in programming, and most modern languages provide built-in functionality for handling such date calculations. Whether you are working on processing log files, building scheduling applications, or generating future dates, this feature is crucial.

Code Examples for Adding Days to a Date

1. Python Example

In Python, you can use the datetime library to handle this:

from datetime import datetime, timedelta# Base datebase_date = datetime(2023, 10, 20)# Add 5 daysnew_date = base_date + timedelta(days=5)print(new_date)  # Output: 2023-10-25    

2. JavaScript Example

With JavaScript, the Date object allows date manipulation:

let baseDate = new Date('2023-10-20')let newDate = new Date(baseDate)newDate.setDate(newDate.getDate() + 5)console.log(newDate)  // Output: 2023-10-25    

3. SQL Example

If you're working in SQL, you can add dates using the DATE_ADD function (in MySQL, for instance):

SELECT DATE_ADD('2023-10-20', INTERVAL 5 DAY) AS new_date    

Why It Matters

Adding days to dates is useful in planning, reporting, and scheduling scenarios. For example, this functionality allows you to calculate due dates, monitor deadlines, or forecast future events easily.

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