Different expiration date for SSL certificate

I received an email for mu SSL certificate expiration.

Your certificate (or certificates) for the names listed below will expire in 9 days (on 29 Sep 22 05:39 +0000). Please make sure to renew your certificate before then, or visitors to your web site will encounter errors.

We recommend renewing certificates automatically when they have a third of their total lifetime left. For Let's Encrypt's current 90-day certificates, that means renewing 30 days before expiration. See https://letsencrypt.org/docs/integration-guide/ for details.


For details about when we send these emails, please visit: https://letsencrypt.org/docs/expiration-emails/ In particular, note that this reminder email is still sent if you've obtained a slightly different certificate by adding or removing names. If you've replaced this certificate with a newer one that covers more or fewer names than the list above, you may be able to ignore this message.

For any questions or support, please visit: https://community.letsencrypt.org/ Unfortunately, we can't provide support by email.

If you are receiving this email in error, unsubscribe at:
Please note that this would also unsubscribe you from other Let's Encrypt service notices, including expiration reminders for any other certificates.

The Let's Encrypt Team
but when I'm checked the certificate expire date on browser > connection secure
It shows different date. Like Below:
|Issued On|Tuesday, 30 August 2022 at 16:59:10|

|Expires On|Monday, 28 November 2022 at 16:59:09|

What should I do for this issue?
Where I can find the exact expiration date?

You can lookup your cert history at a site like http://crt.sh

I just did for your domain and see you previously issued certs with just your apex domain. You now issue certs with your apex and the www subdomain.

If you read the email carefully, it is warning you about the cert with just your apex name.

On crt.sh, don't worry about seeing two entries for each cert. One is a Precert and the other your actual Leaf cert.


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