My services is not working if haven’t all day

First. Check their site here for official info on any possible local outages;

https://www.xfinity.com/support/status 

Use a cell phone internet service, a public WiFi hotspot, or a neighbor's internet if you need to in order to check it.

Or you can use their Xfinity App: https://www.xfinity.com/apps 

Good afternoon user_aut4pt! Thank you for reaching out on our XFINITY Community Forum. Rest assured, you have reached the right team to assist with your connection issue. I understand how vital it is to have a stable connection at all times, as I work from home myself. Please send our team a direct message with your full name, the name listed on the account (if different), and the service address associated with your account. I'd be more than happy to look into this for you.

To send a Direct Message, please click on the “Direct Message” icon in the top-right corner of the screen, next to the bell icon click the "New message" (pencil and paper) icon then type or select "Xfinity Support". Type your message in the text area near the bottom of the window and press Enter to send your message and initiate a live session. 

Were you able to find any outage info on that site or in the app ?