Time questionsThis is a list of recently added questions about time.
What does the AM acronym stand for in time notation, ex. 11:40 AM?
“Ante meridiem” is Latin for “before noon”. Although “AM/PM” is especially common in English-speaking countries, these acronyms come actually from Latin.
How many years can the oldest known vertebrates live?
ca. 100 years
ca. 200 years
ca. 300 years
ca. 400 years
The shark is the world's oldest creature with a backbone, and may have been born as early as 1505 — when Istanbul under the Ottomans was just 52 years old. Using radiocarbon dating, scientists analyzed the eye lenses of 28 Greenland sharks, finding the oldest sample to be 392 years old.
What does not include, Unix time?
of leap years
of leap hours
of leap minutes
of leap seconds
Unix time is a date-time format used to express the number of milliseconds that have elapsed since January 1, 1970 00:00:00 (UTC). Unix time does not handle the extra seconds that occur on the extra day of leap years. Currently, the difference is about 2 to 3 milliseconds a day and is adjusted on average once a year.
Who first proposed the need to use summer time?
The idea of daylight saving was first conceived by Benjamin Franklin during his sojourn as an American delegate in Paris in 1784. Sometimes, the creator of this solution is George Vernon Hudson, who wanted to "make better use of the long days of summer. The pioneers in the introduction of summer time were Germans during the First World War.
Which is currently a year in North Korea?
There is no calendar in North Korea
The year isn't 2018. The North Korean or Juche calendar was adopted in 1997 and begins with the year of Kim Il-sung's birth (1912 – or Juche 1 to North Koreans). Which means 2018 in Pyongyang is actually Juche 107.
Which planet’s day lasts longer than its year?
Venus year (the time it takes it to rotate around the Sun) is equal to 225 Earth days, and its day (the time it takes it to rotate on its axis) equals 243 Earth days.
In what period of time does the Sun make a full turn around the center of the Milky Way?
within every 225 million years
within 250 million years
within 300 million years
within 350 million years
The sun performs a full turn around the center of our galaxy during 225 million years.
Who introduced the Gregorian calendar?
Pope Gregory I, called the Great
St. Gregory the Illuminator
Pope Gregory XIII
Gregory XIII was pope during the period from 13 May 1572 until 10 April 1585. The Gregorian calendar, also called the Western Calendar, was introduced by him in 1582 with the Bull Inter Gravissimas. The Gregorian calendar basically a refinement of the Julian calendar. The Gregorian reform modified the Julian calendar's scheme of leap years, changing the mean length of the calendar year from 365.25 days to 365.2425 days.
What is the stellar day?
23 h 56 min 05 s
24 h 10 min 07 s
25 h 22 min 09 s
26 h 05 min 11 s
Sidereal time is a time-keeping system astronomers use to keep track of the direction to point their telescopes to view a given star in the night sky. It is a time scale that is based on the Earth's rate of rotation measured relative to the fixed stars rather than the Sun.
What is the highest time zone?
Time zones range from UTC-12 to UTC+14. UTC+14 stretches as far as 30° east of the 180° longitude line and creates a large fold in the International Date Line. In Kiribati (UTC+14), the local time is the same as in Hawaiʻi (UTC−10:00), but the date is one day ahead. It is also 26 hours ahead of Baker Island (UTC−12:00).
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