What is year (365 d)?

A year is a unit of time equal to 365 days, representing approximately one orbit of the Earth around the Sun. It is used for long-term planning, age calculation, financial cycles, and historical timekeeping.

What is nanosecond?

A nanosecond is a unit of time equal to one billionth of a second. It is critical in computer processor timing, high-frequency trading, optical communications, and physics experiments.

Worked examples

1 year (365 d) = 3.153600e+16 nanosecond

1 nanosecond = 1.000000e-09 second