Suppose you see incorrect values for guests' tables, like guests logged-in in the future! It might be because of the wrong time zone settings.
This could be because the timezone setting is not correct. Please check the below 2 settings.
Timezone Setting on the Site
Under your site's Settings -> General settings, check that you have the right time zone.
Click on the User icon in the top right corner and select the Account
Under General tab, check that you have the right timezone configured on your account.