Islam21c can confirm that the Supreme Court of the Kingdom of Saudi Arabia has not declared the beginning of Ramadān 1438 to be Saturday as the crescent of Ramadān could not be sighted tonight. This is as of 20:20 Riyadh Local Time. The Supreme Court have assured that they will issue an official announcement tomorrow as to whether the 1st Ramadan 1438 will begin on Saturday or Sunday. 
— واس (@spagov) May 25, 2017
Islam21c will endeavour to keep you informed as soon as we are aware of any confirmative news from official sources .
|||Saudi Press Agency, “Twitter,” Saudi Press Agency, 25 May 2017. [Online]. Available: https://twitter.com/spagov/status/867790912960823297. [Accessed 25 May 2017].|