Lilly Lutz Blog #7

Today in class we learned about telling time and times zones. We defined time zones, UTC, GMT, daylight savings time and standard deviation. We also described how geographers calculate standard deviation off of time at UTC.

A time zone is a region of the globe that observes a uniform standard time for legal, commercial, and social purposes. Time zones tend to follow the boundaries of countries and their subdivisions because it is convenient for areas in close commercial or other communications to keep the same time.

Some higher latitude and temperate zones countries use daylight savings time for part of the year, typically by adjusting the local clock time by an hour.

UTC= Coordinated Universal Time  
GTM= Greenwich Mean Time

Most of the time zones off land are offset from UTC by a whole number of hours (UTC-12:00 to UTC+14:00), but a few zones are by 30 or 40 minutes, for example, Newfoundland Standard Time is UTC-03:30, Nepal Standard Time is UTC+05:45, and Indian Standard Time is UTC+05:30.

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