Saudi Arabia Standard Time

Saudi Arabia Standard Time (Arabic: التوقيت القياسي السعودي, romanized: At-Tawqīt al-qiyāsiyy as-suʿūdiyy), abbreviated as SAST, is the standard time zone of Saudi Arabia.

[3]: xii  However this later conflicted with the introduction of western sun time, which defined, in congruence with Europe, the start of a new day to be midnight.

In addition to this, the American Military Assistance Advisory Group introduced "Zulu time".

The American Arabian Oil Company, used to also observe daylight savings for its headquarters in Dahran.

Similarly, the Trans-Arabian Pipeline Company also observed daylight savings for its pumps in the east of the country.