Light passes through the guider and falls onto the film in your camera or onto the CCD chip. However, the light of a guide star (from the edge of the telescopeâs circular field, and not from the rectangular area in the center that you are photographing) is diverted to the crosshairs of an illuminated reticle eyepiece by a small off-axis prism within the guider body.
The time difference is 8 hours. Also, there is the International Date Line in the Pacific Ocean, between Arizona and Japan. Therefor, if it is 12:00 PM (noon), on Monday in Phoenix, Arizona, it is 4:00 AM Tuesday in Tokyo, Japan. Japan is 16 hrs. ahead of Arizona.
All U.S. states are on Standard Time. You can see by looking at the chart below that during Standard Time, the time in Phoenix is one hour later than it is in California, for example, and Phoenix is two hours earlier than it is in New York. Arizona is three hours later than Hawaii. Duiring this time, Standard Time, Arizona's local time is the same as New Mexico, Colorado, Utah, Wyoming and Montana, all of which are also UTC-7. Mountain Standard Time mst