![]() ![]() You can also switch between four different am/pm indicator formats and add an extra space between the clock time and am/pm abbreviation. Similarly, you can turn off the padding option and get time in an even simpler format such as "H:M am/pm" (for example, "3:7 am") or "H am/pm" (for example, "3 am"). You can turn off the full time form option and get a simplified time form, such as "HH:MM am/pm" (for example, "03:07 am") or just "HH am/pm" (for example, "03 am"). The program will convert each time to the 12hr clock and by default display it in the full "HH:MM:SS am/pm" format (for example, "03:07:40 am"). You can enter multiple 24hr clock times from 00:00:00 to 23:59:59 in the input box. For example, the clock time 23:40 in 24-hour format is 11:40 pm in 12-hour format and the 24-hour time 01:01:01 converted to 12-hour time is 01:01:01 am. (also PM, p.m., and pm) is used when talking about the time interval from 12:00 noon to 12:00 midnight (12:00 P.M. and am) is used when talking about the time interval from 12:00 midnight to 12:00 noon (00:00 A.M. The 12-hour clock time convention divides a 24-hour day into two 12-hour periods. ![]() (n.d.This is a quick online utility for converting a 24-hour clock time to 12-hour clock time. ![]() Next time you check your watch or glance at the clock, think about how every second has been accounted for in our world. The reading material alone is in of itself is bulkage that extends the typical mind. If you ever have some free reading time, check up on the standards of measurement on a global basis. If we knew the calculations, astronomical observations, worldwide coordination, and the international time associated groups that keep our clocks running on time, it would be more than the average person could handle! UTC was internationally implemented replacing GMT.The International Time Bureau coordinated an international/universal coordination of time/frequency which became known as UTC.Naval Observatory all agreed to coordinate time/frequency transmissions based on UT2. The Royal Observatory (Greenwich,) National Physical Laboratory England, and the U.S.UT2 – did the same thing UT1 did but used a seasonal variant to account for the Earth’s rotational speed seasonal difference. UT1 – did the same thing UT0 did but also measured the position of the pole in respect to the site that was observing it making small corrections to be able to produce a time scale. UT0 – measured the Earth’s rotational axis in respect to a site that was observing it. The International Astronomical Union (astronomers) recognized that there were three versions of their “universal time.”.This changed did not apply to the general population as it was adopted for astronomical research only.“Universal time” replaced the astronomoer’s GMAT.The International Astronomical Union (astronomers) replaced GMT with what was referred to as “universal time” although it was not yet recognized as UTC.Letter 'Z' in military time indicates ZULU Time Zone which is equivalent to UTC. latin post meridiem, meaning after midday. latin ante meridiem, meaning before midday, PM or P.M. The IANA time zone identifier for UTC is UTC. Time difference between your local time and UTC is: -8 hour (s) ( -480 minutes). UTC does not change between summer time and winter time. This new time was called Greenwich Mean Astronomical Time (GMAT.) GMAT was the standard by which astronomers measured time. UTC is 5 hours ahead of the time in New York when New York is on standard time, and 4 hours ahead of the time in New York when New York is on daylight saving time. Astronomers introduced a 12-hour break in the continuity of time causing a loss of 12 hours.Astronomers continued to research time measuring it daily, noon to noon.Through a timeline, we can see how history changed the way time is measured and was coordinated worldwide. ![]() Greenwich Mean Time (GMT) was adopted thereafter and recognized around the world. In 1884, the International Meridian Conference held in Washington DC decided that the Prime Meridian in Greenwich, England would serve as the point of which all time zones in world would be measured from. Greenwich Mean Time (GMT) was officially replaced with Universal Coordinated Time (UTC) in 1972 as the universal standard of time.Īstronomers over the past hundreds of years have perfected the way to tell time!Īn example of UTC as you would see it on time.is/UTC The History Behind UTC This measurement of time is used to centrally regulate and set our clocks to. Universal Coordinated Time (UTC) is the standard 24-hour measurement of time used worldwide. ![]()
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