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Articles About History (27)

UTC – Coordinated Universal Time

Coordinated Universal Time (UTC) is the basis for civil time today. This 24-hour time standard is kept using highly precise atomic clocks combined with the Earth's rotation. more

What Are Leap Seconds?

Every now and then a leap second is added to Coordinated Universal Time (UTC) in order to synchronize clocks worldwide with the Earth's ever slowing rotation. more

What is Local Mean Time (LMT)?

Use a sundial to determine the time of day and you will probably be off by a few minutes. That's where LMT comes into play. How is it measured and what is it used for? more

Why Do We Have Time Zones?

The expansion of transport and communication during the 19th century created a need for a unified time-keeping system , and time zones were introduced. more

The Chinese Calendar

The Chinese calendar is one of the oldest calendars in modern society. It is a lunisolar calendar. more

End of the world December 21, 2012?

The Mayan calendar ended one of its great cycles in December 2012, which has fueled countless predictions about the end of the world on December 21, 2012 at 11:11(UTC). more

The Roman Calendar

The ancient Roman calendar, or “pre-Julian” calendar, is believed to have been a lunar calendar. more

History of DST

Daylight Saving Time (DST) is used to save energy and make better use of daylight. Today, daylight saving time (DST) is used in many countries. more

The Month of April

April is the fourth month of the year in the Gregorian calendar, and is named after the Greek goddess Aphrodite. more

The Month of August

August is the eighth month of the year in the Gregorian calendar and is named after Augustus Caesar. more

The Month of February

February is the second month of the year in the Gregorian calendar. It is the shortest month with only 28 days in common years and 29 days in leap years. more

The Month of May

May is the fifth month of the year in the Gregorian calendar and named after the Greek godess Maia. more

Month of September

September is the ninth month of the year in the Gregorian calendar, but the name means 'seventh', as it was the seventh month in the ancient Roman Calendar. more

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