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To change a scheduled task date in Windows, you must modify the task’s triggers within the built-in ⁠Windows Task Scheduler utility.

Here is the step-by-step process using three different methods, depending on your preferred interface. Method 1: Using the Graphical Interface (Easiest)

Open Task Scheduler: Press Win + R, type taskschd.msc into the Run box, and press Enter.

Locate your task: Click on Task Scheduler Library in the left-hand sidebar to view all active tasks.

Open Properties: Right-click the specific task you want to change in the center panel and select Properties.

Edit the Trigger: Head to the Triggers tab, click on the existing schedule profile, and click the Edit… button.

Adjust the Date: In the “Settings” section, change the date field next to Start:. You can also switch the frequency (e.g., Daily, Weekly, Monthly) if needed.

Save Changes: Click OK on the trigger window, then click OK again on the main properties window to lock in your changes. Method 2: Using Command Prompt (Fastest)

If you know the exact name of your task, you can update its start date and time using the schtasks command-line utility. Stack Overflow Changing a scheduled task from cmd – Stack Overflow