![]() Coordinated Universal Time (UTC) was developed in the 1960s and finalized in 1972 (leap seconds were added) to standardize civil time.Īround the same time, that time zones were being considered, Daylight Saving Time (DST) was also on the minds of newly industrialized minds. It’s based on highly precise calculations using atomic clocks and the Earth’s rotation. While GMT has since become simply a time zone, UT is used as the standard for time tracking. Nepal became the last country to standardize on an hourly offset in the 1980s. Most major countries did not adopt a mostly-standard hourly offset of GMT/UT until the time of the Great Depression (1929). Near the end of the 19th century, Greenwich Mean Time (GMT) and Universal Time (UT) were defined, subsequently allowing for the creation of today’s 24-hour time zone system. This was important as business moved from local to taking place over longer distances. Businesses needed a more permanent way to keep track of time than sunrise and sunset because dawn and dusk can vary dramatically in different locations. Railroads and better long-distance communication became common in this time period. ![]() Around the time of the Industrial Revolution, timekeeping became more important. Time zones are a relatively new invention in the annals of history. ![]() note: Skip this section if you want to avoid the history lesson!) The Beginning of Time (Zones) and Daylight Saving Time Let’s look at how time zones came about, how the technology handles time zones, and ways to avoid time zone issues in software development and infrastructure management. Businesses operate on a national and global scale more frequently than ever, today. We take time zones and the simple plus/minus calculation for granted considering how important they are to scheduling events on anything more than a local scale. The reverse obviously applies for those living on the West Coast calculating current time on the East Coast. 11 AM becomes 8 AM and 5 PM becomes 2 PM. When asked, the average East Coast-living American could regurgitate the time on the Pacific coast with ease.
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