There are two ways to access your subscriptions:
On the Page Page Notifications page, review your subscriptions. Click the X in front of the page title to cancel subscription to that page.
If you are subscribed to more than 100 pages, at page 101 with sub-page subscriptions, you will see a message saying you are subscribed to all sub-pages and drafts instead of listing out all sub-pages.
If you have Administrator privileges, you can temporarily or permanently disable notifications for your entire site:
The time presented in the subscription email is based on your site's preferences. To change your site's time zone, contact Expert Support.