I don't know much of how this news will play in the end-time events but i believe this is very significant.  What the arabs are doing  is very opposite to what the Roman Catholic church has been pushing worldwide which is to have sundays as a day for the family and a day for worship.

Please check out the news links below.

Saudi Arabia weekend now Friday-Saturday: royal order

It’s a Friday-Saturday weekend

The Call for this change began in 2006.

Call to Change Weekly Holidays to Friday-Saturday

Kuwait was the first to adopt this in 2007.

Kuwait Adopts Friday-Saturday Weekend

Blessings!