No clock showing in my control center

Hey there and welcome to Apple Support Communities covar,

We can certainly understand your concern and can help provide some insight. First, verify Alarm is still selected in the Settings > Control Center:

Use and customize Control Center on iPhone - Apple Support

If still not showing, an update has been released for your system. Updating can help with most irregularities the device is experiencing. Please back up your device and update it to iOS 15.7.3. For more information, check out:

Back up your iPhone: How to back up your iPhone, iPad, and iPod touch - Apple Support

Update your iPhone: Update your iPhone or iPad - Apple Support

Let us know if you are still experiencing the same issue after you update.

Kindest regards!