The countdown timer shows the time remaining until selling starts or ends on the product page.
Show the time remaining until launch in a pre-launch announcement
Show the time remaining until the sale ends in a limited-time sale
You can check the behavior on these demo products.
Available only on product pages of Online Store 2.0 themes
It cannot be shown on collections, the home page, or other non-product pages
Before the selling period, it counts down to the start date and time
During the selling period, it counts down to the end date and time
It is not shown after the selling period
Set the title and description in the selling period rule