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Help spread the wonder of families learning together. The imaginary dividing lines begin at Greenwich, a suburb of London. The primary dividing line of longitude is called the prime meridian.
The Standard Time Act of 1918 made these four time zones official. Despite what most of us think of when we hear the words ‘zones’ or ‘lines’, the actual boundaries of the time zones don’t exist in straight lines. In fact, they don’t even working remotely in a different time zone fall along state boundaries. Due to this, states like Texas, Kansas, Florida, Idaho, and the Dakotas find themselves broken into two zones. Making these time zones even more official, Congress passed the Standard Time Act of 1918.
Create custom areas from ZIP Codes or Counties
For example, in China, it’s always the same time all across the country. That’s despite the fact that China stretches across three standard time zones. Other nations adopted systems that change time zones by smaller increments, like 15 or 30 minutes. For that reason, there are more time zones than the standard 24 in use today. Last year, the Ukrainian province of Crimea jumped one time zone eastward to reflect its annexation by Russia.
If we were to abandon clock time now, we would have anarchy. Modern society requires synchronization in such things as school start times, work times and television watching times. All of these can desynchronize our social activity from our biological time. There is mounting evidence that chronic circadian rhythm disruption leads to several serious diseases as well as depression and mood disorders. On a societal level, the economic impact may also be large.
SEPTEMBER/OCTOBER Hours
I’ve received tons of search queries recently about that exact spot. Most of the web hits land on my phenomenally popular Interstate Highway Time Zone Crossings page. That’s completely expected of course because the answer definitely exists there. But it’s also a very comprehensive list and it’s a bit confusing for those looking for a single piece of information. Historic Brushy Mountain State Penitentiary is located in Eastern Standard Time (EST).
The International Date Line (IDL), located at or near 180 degrees longitude delineates one day from the next; time incrementally advances as one travels west of the IDL. Most countries, especially the smaller ones, have only one time zone. There are 23 countries with at least two time zones. This map of Europe demonstrates how the actual timezones depart from straddling 15° degree longitude segments.