If you are on the latest iOS then you can choose your zoom level. Update to the latest iOS by following these steps
In the URL bar, click on the AA as circled below.
It will display your Zoom level e.g 100%, 75% etc.
Choose the Zoom level that suits you by clicking the left hand or right hand A
On left hand side is Slick Week view at 100% zoom. On right hand side is 75% which allows you to see Sunday as well as more of the day
On left hand side is Slick Day view at 100% zoom. On right hand side is 75% which allows you to see more of the client profile as well as more of the day on the diary