How many tropical year in 1 draconic year? The answer is 0.94901433311325. We assume you are converting between tropical year and draconic year. You can view more details on each measurement unit: tropical year or draconic year The SI base unit for time is the second. 1 second is equal to 3.1688765172731E-8 tropical year, or 3.3391239802223E-8 draconic 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 draconic year = 1.05372 draconic year
5 tropical year to draconic year = 5.26862 draconic year
10 tropical year to draconic year = 10.53725 draconic year
15 tropical year to draconic year = 15.80587 draconic year
20 tropical year to draconic year = 21.0745 draconic year
25 tropical year to draconic year = 26.34312 draconic year
30 tropical year to draconic year = 31.61175 draconic year
40 tropical year to draconic year = 42.14899 draconic year
50 tropical year to draconic year = 52.68624 draconic year
You can do the reverse unit conversion from draconic 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 draconic year, draconitic year, eclipse year, or ecliptic year is the time taken for the Sun (as seen from the Earth) to complete one revolution with respect to the same lunar node (a point where the Moon's orbit intersects the ecliptic). This period is associated with eclipses: these occur only when both the Sun and the Moon are near these nodes; so eclipses occur within about a month of every half eclipse year. Hence there are two eclipse seasons every eclipse year. The average duration of the eclipse year is 346.620075883 days (346 d 14 h 52 min 54 s) (at the epoch J2000.0).
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