In order to display a great front-end countdown timer for the settings in the back-end, you can combine WPC Product Timer with WPC Countdown Timer. It’s a completely free plugin with 3 beautiful countdown clock styles, which can act as a stunning visual reminder for your customers.
The countdown timers can be displayed in the shop archive as well:
Get your free countdown timer here: https://wordpress.org/plugins/wpc-countdown-timer/ or type in “WPC Countdown Timer for WooCommerce” in the search box on WordPress inventory.
Related blog: https://wpclever.net/excellent-timers-for-scheduling-woocommerce-products-planning-sales-expanding-your-incomes.html
Get how to use the WPC Countdown Timer plugin in the documentation here.