Change/Customizing the time scale of calendar in sharepoint 2010

i need to do some customizatin on Sharepoint calendar like

1)Change/Customizing the time scale of calendar in sharepoint 2010

2) Change the fonts / colour the time grid in sharepoint calendar on some business logic 

just like the customization for Calendar in Outlook as mention in the belwo url,but i need to do those in SharePoint 2010 Calendar

http://office.microsoft.com/en-us/outlook-help/change-the-appearance-of-your-calendar-HA010030976.aspx#BM1

Thanks