Upgrade change and cancellation deadlines

[miyu]

Is there a deadline for changing the Upgrade date, target version, or canceling?
For example, it is possible to change up to 2 days in advance.

[Yousaf]

Hi miyu,

Please refer to these KB Articles.

How to manage and schedule instance upgrades

Upgrade FAQ - Frequently asked questions

Mark Correct and Helpful if it helps.