Convert year (Julian) to year (tropical)
Please provide values below to convert year (Julian) [None] to year (tropical) [None], or Convert year (tropical) to year (Julian).
How to Convert Year (Julian) to Year (Tropical)
1 None = 1.0000213835789 None
Example: convert 15 None to None:
15 None = 15 × 1.0000213835789 None = 15.0003207536836 None
Year (Julian) to Year (Tropical) Conversion Table
| year (Julian) | year (tropical) |
|---|
Year (Julian)
A year (Julian) is the period of time approximately 365.25 days, based on the Julian calendar, used to measure the length of a complete cycle of seasons and calendar years.
History/Origin
The Julian year was introduced by Julius Caesar in 45 BC as part of the Julian calendar reform, replacing the Roman calendar. It standardized the year length to 365 days with a leap year every four years to account for the extra quarter day.
Current Use
The Julian year is primarily used in astronomical calculations and historical contexts. It is also the basis for the Julian date system used in astronomy and other sciences to record continuous days.
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.