TOTP time drift consideration

Let's say the first TOTP is generated to be valid for a specific 30-second period (e.g., from 12:00:00 to 12:00:30), and then a second TOTP should be generated and is valid for the subsequent 30 seconds ( 12:00:30 to 12:01:00). But because there is **time drift consideration** (say, 5 seconds at the end), wouldn't there be two valid TOTP's between 12:00:30 to 12:00:35? I have used some authenticator apps where I have intentionally delayed entering the TOTP by an entire …

cybersecurity end generated period totp valid