Mixed connective tissue disease (MCTD) is a rare autoimmune disorder. An autoimmune disorder is one in which the immune system mistakenly views the bodyâs own tissues as âinvadersâ and attacks them.ixed connective tissue disease has features of three other connective tissue diseases: 1  Systemic lupus erythematosus (SLE) â An inflammatory disease that can affect many different organs. 2  Symptoms include fever, fatigue, joint pains, weakness, and skin rashes on the face, neck, and upper body.
Almost all of the US state of Arizona does not use Daylight Saving Time (DST), and uses the time zone Mountain Standard Time (MST) all year.
US States and Territories Without DST. States and territories in the United States that do not observe daylight saving time, aside from most of Arizona, include: Hawaii, American Samoa, Guam, Puerto Rico, and the Virgin Islands.Some parts of Indiana did not observe daylight saving time in the past.rizona Time History. As a result of the Energy Policy Act of 2005, many parts of the United States observe Daylight Saving Time (DST) on the second Sunday in March until the first Sunday in November. The Act does not alter the rights of the states and territories that choose not to observe daylight saving time.