Maybe you’re missing alarms because of the incorrect time.
There are a few things you might venture to get it back to working order.
We used a Google Pixel running Android 13 to build these troubleshooting tips.

Search your phone for the options described in the steps if you might’t follow along.
It’s often the fix for these kinds of oddities.
Turn on Android’s automatic date/time setting.
Do this throughSettings>System>Date & time.
choose the button next toSet time automaticallyto trigger it.
Set the time manually.
Change your time zone.
The wrong time zone setting is a common factor that affects the time.
Return to theDate & timescreen and ensureSet time zone automaticallyis turned on.
On the flip side, the phone might not correctly understand the actual time zone.
In that case,turn offthe automatic option and set the time zone manually by selectingTime zone.
Check for an Android operating system update, and apply the update if available.
Depending on the OS you’re using, the update might address this bug.
Delete recently installed apps.
Take note of any new events surrounding this issue.
Did you install a new app or two?
Delete them, at least temporarily, to test if that’s the cause.
Some reports of the wrong time on an Android phone have been resolved by simply waiting.
Reset your Android phone.
you’ve got the option to then tapDateandTimeto set them manually.
Go to Google Play and look for a third-party screen time app on older devices.