You can create a countdown that ends at a specific date and time using the Fixed End Date option.
👉 All timer settings in Flash Countdown Timer are managed in the Shopify Theme Editor.
Set a fixed end date countdown
Steps:
Go to Online Store → Themes in your Shopify admin
Click Customize
Select your Flash Countdown Timer block
In the side panel, find Timer Type
Choose Fixed End Date
Set the following:
End date
End time
Time zone
Click Save
👉 Your countdown will now run until the selected date and time.
What happens when the timer ends?
When the countdown reaches zero:
The timer will stop
Your expired message will be displayed
👉 You can customize this message in the same settings panel.
Tips for best results
Double-check your time zone to avoid incorrect timing
Use a clear heading like “Sale ends in” to create urgency
Test your timer with a short duration before going live
Common issues
Timer showing the wrong time?
Check your selected time zone
Make sure your device time matches your expected region
Preview before publishing
Before going live:
Review the timer in the Theme Editor
Confirm the countdown matches your intended end time
Check both desktop and mobile views
Still need help?
If your countdown isn’t working as expected, make sure:
The correct Flash Countdown Timer block is selected
Your changes are saved
If you’re still stuck, feel free to reach out - we’re happy to help.