Why didn't my Huawei Enjoy 9plus show that day?

It may be a setting problem, and you need to refer to the following method settings:

1, first you need to unlock the phone, and then open "Calendar" to enter;

2. After entering the page, click on the three points in the upper right corner.

3. Then click "Settings".

4. Then click "Function Settings"

5. Then, select "Yellow calendars should be avoided".

6. Finally, click the button on the right to complete the setting;