Convert year (leap) to year (tropical)

Please provide values below to convert year (leap) [None] to year (tropical) [None], or Convert year (tropical) to year (leap).




How to Convert Year (Leap) to Year (Tropical)

1 None = 1.00207481557804 None

Example: convert 15 None to None:
15 None = 15 Γ— 1.00207481557804 None = 15.0311222336706 None


Year (Leap) to Year (Tropical) Conversion Table

year (leap) year (tropical)

Year (Leap)

A leap year is a year that has 366 days, including an extra day (February 29) added to keep the calendar year synchronized with the astronomical year.

History/Origin

The concept of adding an extra day to the calendar was introduced by the Julian calendar in 45 BC and refined by the Gregorian calendar in 1582 to correct inaccuracies in the Julian system, establishing the current rules for leap years.

Current Use

Leap years are used in the Gregorian calendar to maintain alignment with Earth's orbit around the Sun, occurring every four years with exceptions for century years not divisible by 400, ensuring calendar accuracy over long periods.


Year (Tropical)

A year (tropical) is the period of approximately 365.24 days, representing one cycle of the Earth's seasons based on the vernal equinox.

History/Origin

The tropical year has been used since ancient times to track seasons and calendar systems, with the Gregorian calendar refining the measurement to align with the Earth's orbit around the Sun.

Current Use

The tropical year is used as the basis for the Gregorian calendar, which is the most widely adopted civil calendar worldwide, to organize years and seasons.