The equivalent of 11:30 a.m. - 12 p.m. (GMT-05:00) Eastern time (U.S. & Canada) is 8:30 a.m. - 9 a.m. in Pacific Time. This is because Pacific Time is (GMT-08:00). Eastern Time, being (GMT-05:00), is three hours ahead of the Pacific Time.
Pacific Daylight Saving Time is (GMT-07:00). However, the Daylight Saving Time is also activated in the U.S. and Canadian time zones as well. That results in Eastern Daylight Saving Time, or (GMT-04:00). The U.S. states that use Pacific Time are California, Idaho, Nevada, Oregon and Washington. In Canada, the western parts of British Columbia and Yukon use Pacific Time.