How to set the countdown to the launch of the mobile game "Weaving Language" as a small time reminder?

How to set the countdown to the launch of the mobile game "Weaving Language"?

First of all, you need to know the online time

Then set reminders on the note synchronized between the computer and the mobile phone cloud

Go to the system settings and check the box to show reminders that are due to expire. Time, the upper right corner of the reminder will also display a countdown

When the specified time is reached, you will be reminded that the game is online.