Convert ns to Julian year - Conversion of Measurement Units

Convert nanosecond to Julian year

More information from the unit converter

How many ns in 1 Julian year?
The answer is 3.15576E+16.
We assume you are converting between nanosecond and Julian year.
You can view more details on each measurement unit: ns or
Julian year
The SI base unit for time is the second.
1 second is equal to 1000000000 ns, or 3.1688087814029E-8 Julian year.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between nanoseconds and years.
Type in your own numbers in the form to convert the units!

Date difference between calendar days

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are between two dates on the calendar. Use the
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Want other units?

You can do the reverse unit conversion from
Julian year to ns, or enter any two units below:

The SI prefix "nano" represents a factor of
10^{-9}, or in exponential notation, 1E-9.

So 1 nanosecond = 10^{-9} arcseconds.

The definition of a second is as follows:

A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 (approximately 7.7×10-7) of a circle. It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2pi) (approximately 206,265 units), such as (approximately) 1 cm at 2.1 km, or, directly from the definition, 1 astronomical unit at 1 parsec.

Definition: Year

A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. In astronomy, the Julian year is a unit of time, defined as 365.25 days of 86,400 SI seconds each (no leap seconds), or 31,557,600 seconds total.

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 "Julian year".

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