How many tropical year in 1 lunar year? The answer is 0.97023292251214. We assume you are converting between tropical year and lunar year. You can view more details on each measurement unit: tropical year or lunar year The SI base unit for time is the second. 1 second is equal to 3.1688765172731E-8 tropical year, or 3.2660987312905E-8 lunar year. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between years and years. 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 lunar year = 1.03068 lunar year
5 tropical year to lunar year = 5.1534 lunar year
10 tropical year to lunar year = 10.3068 lunar year
15 tropical year to lunar year = 15.46021 lunar year
20 tropical year to lunar year = 20.61361 lunar year
25 tropical year to lunar year = 25.76701 lunar year
30 tropical year to lunar year = 30.92041 lunar year
40 tropical year to lunar year = 41.22721 lunar year
50 tropical year to lunar year = 51.53402 lunar year
You can do the reverse unit conversion from lunar year 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 lunar year comprises twelve full cycles of the phases of the Moon, as seen from Earth. It has a duration of approximately 354.37 days. Muslims use this for celebrating their Eids and for marking the start of the fasting month of Ramadan. A Muslim calendar year is based on the lunar cycle.
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