CloudFit uses an advanced system to keep your displays synchronized down to the second. However, as it's a complex system, occasionally you may see the displays not be completely in sync.
To help address this, we recommend trying something called "Server Time Sync" mode, which can be enabled in Advanced Settings:
Go to Settings -> Advanced Settings and toggle on "Server Time Sync".
If you are still running into issues, please don't hesitate to reach out to our customer support team.