I just checked the ecas said:
We sent you a notice on September 12, 2019 to appear and take the oath of citizenship at the citizenship ceremony to be held on October 8, 2019 at 1:00 PM. The notice you will receive will be your official confirmation of your appointment. If you have not received this notice prior to the date of your scheduled appointment, please contact us.
But I didn't receive the letter or email yet. please update my status, thanks.
My ID: PeterZZ
Oath Letter Date: September 12, 2019
Oath Ceremony Date: October 8, 2019