How many tropical year in 1 millicentury? The answer is 0.1000021375815. We assume you are converting between tropical year and millicentury. You can view more details on each measurement unit: tropical year or millicentury The SI base unit for time is the second. 1 second is equal to 3.1688765172731E-8 tropical year, or 3.1688087814029E-7 millicentury. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between years and millicenturies. Type in your own numbers in the form to convert the units!
You may also want to find out how many days are between two dates on the calendar. Use the date calculatorto get your age in days or measure the duration of an event.
1 tropical year to millicentury = 9.99979 millicentury
5 tropical year to millicentury = 49.99893 millicentury
10 tropical year to millicentury = 99.99786 millicentury
15 tropical year to millicentury = 149.99679 millicentury
20 tropical year to millicentury = 199.99572 millicentury
25 tropical year to millicentury = 249.99466 millicentury
30 tropical year to millicentury = 299.99359 millicentury
40 tropical year to millicentury = 399.99145 millicentury
50 tropical year to millicentury = 499.98931 millicentury
You can do the reverse unit conversion from millicentury to tropical year, or enter any two units below:
The mean tropical year is defined as the period of time for the mean ecliptic longitude of the Sun to increase by 360 degrees. Since the Sun's ecliptic longitude is measured with respect to the equinox, the tropical year comprises a complete cycle of the seasons; because of the biological and socio-economic importance of the seasons, the tropical year is the basis of most calendars.
The International Union of Pure and Applied Chemistry and the International Union of Geological Sciences have jointly recommended using defining the annus, with symbol a, as the length of the tropical year in the year 2000:
a = 31556925.445 seconds (approximately 365.24219265 ephemeris days)
We default to using the Gregorian year on this site, but you can select a specific type of year by entering the full name like "tropical year".
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millicentury = 10-3 centuries.
The definition of a century is as follows:
A century is a period of 100 years, which can have either 24 or 25 leap years, depends on whether the year xx00 is a leap year or not.
We assume there are 25 leap year days in a typical century. A non-leap year of 365 days would have 86,400 * 365 = 31,536,000 seconds in it. Adding another 25 days adds 2,160,000 seconds, so there are a total of 3,155,760,000 seconds in a century that has 25 leap years.
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