Yes, no doubt the pages are for different regions. The confusing thing that suckered me is at one point or another I have seen both pages and have clicked the daily entry button.
So I thought I was supposed to click the button enter each day, but I haven't seen the page with the button to click for some time so figured I was doing it wrong.
In summary, there is no daily button to click on the sap-landing page. There _is_ a daily button on the landing page. I assume this is how it is supposed to be because NZ is not in the list of countries for the 'main' competition posted earlier (yeah I know, read the fine print etc):
"This promotion is limited to specific countries and is only open to entrants aged 18 years or older at the time of submission who are legal residents of, and physically located within, Austria, Canada (excluding the Province of Quebec), Chile, Denmark, Finland, France, Germany, Ireland, Japan, Korea Republic of, Poland, South Africa, Switzerland, Taiwan, United Kingdom, United States (excluding Florida, New York, and Rhode Island), and Venezuela."