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)
Time in Chicago, Illinois, USA. Daylight saving time is in effect in Chicago. See recent and expected DST changes in Chicago in the table below.