How many tropical month in 1 tropical year? The answer is 13.368267598377. We assume you are converting between tropical month and tropical year. You can view more details on each measurement unit: tropical month or tropical year The SI base unit for time is the second. 1 second is equal to 4.236238926912E-7 tropical month, or 3.1688765172731E-8 tropical year. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between months 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 month to tropical year = 0.0748 tropical year
10 tropical month to tropical year = 0.74804 tropical year
20 tropical month to tropical year = 1.49608 tropical year
30 tropical month to tropical year = 2.24412 tropical year
40 tropical month to tropical year = 2.99216 tropical year
50 tropical month to tropical year = 3.7402 tropical year
100 tropical month to tropical year = 7.4804 tropical year
200 tropical month to tropical year = 14.9608 tropical year
You can do the reverse unit conversion from tropical year to tropical month, or enter any two units below:
The tropical month is the average time for the Moon to pass twice through the same equinox point of the sky. It is 27.32158 days, very slightly shorter than the sidereal month, because of precession of the equinoxes.
We default to using the Gregorian month on this site, but you can select any type of month by entering the full name like "tropical month".
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".
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