The problem for construction is that in any project, the definition of quality can be a moving target. Normal and customary is the term routinely incorporated into contract language, with regard to the expectations of craftsmanship in installation.
Eastern Standard Time ( EST ), the time zone New York is in, which is 5 hours behind Greenwich mean Time (GMT) Central Standard Time ( CST ), the time zone Chicago is in, which is 6 hours behind Greenwich Meantime (GMT) Mountain Standard Time ( MST ), which is 7 hours behind Greenwich Mean Time (GMT) Pacific Standard Time ( PST ), the time zone Los Angeles is in, which is 8 hours behind Greenwich Mean Time (GMT)
2017 Time Zones - Chicago. The graph above illustrates clock changes in Chicago during 2017. Time Changes in Chicago Over the Years. Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.