Clock Changes in Riyadh, Saudi Arabia 2012

Daylight Saving Time (DST) Not Observed in Year 2012

Saudi Arabia observed Arabia Standard Time (AST) all year.

Daylight Saving Time has never been used here.

Clocks do not change in Riyadh, Saudi Arabia.

There is no previous DST change in Saudi Arabia.

Which countries & states use DST and which do not?