This is a quick tip for those who, like myself, keep attempting to find out their remaining M365 Developer Subscription time through the subscription administrator account. In order to view the remaining time, you will need to log onto the M365 Developer Programme with the personal account that you used to register for the subscription.
Navigate to Your Microsoft 365 Developer Subscriptions
Login with your personal account and you will view a dashboard similar to this:
If you attempt to use your subscription administrator account, the page will inform you that you cannot use that account to view the subscription dashboard:
