Convert Julian month to Gregorian year


Julian month
Gregorian year


More information from the unit converter

How many Julian month in 1 Gregorian year? The answer is 11.999753593429. We assume you are converting between Julian month and Gregorian year. You can view more details on each measurement unit: Julian month or Gregorian year The SI base unit for time is the second. 1 second is equal to 3.8025705376835E-7 Julian month, or 3.1688738506811E-8 Gregorian 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!



Date difference between calendar days

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.


Quick conversion chart of Julian month to Gregorian year

1 Julian month to Gregorian year = 0.08334 Gregorian year

10 Julian month to Gregorian year = 0.83335 Gregorian year

20 Julian month to Gregorian year = 1.6667 Gregorian year

30 Julian month to Gregorian year = 2.50005 Gregorian year

40 Julian month to Gregorian year = 3.3334 Gregorian year

50 Julian month to Gregorian year = 4.16675 Gregorian year

100 Julian month to Gregorian year = 8.3335 Gregorian year

200 Julian month to Gregorian year = 16.66701 Gregorian year


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You can do the reverse unit conversion from Gregorian year to Julian month, or enter any two units below:

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Common time conversions


Definition: Month

There are 12 Julian months in a Julian year, and the Julian year is 365.25 days long, so the Julian month is 30.4375 days in length.

We default to using the Gregorian month on this site, but you can select any type of month by entering the full name like "Julian month".


Definition: Year

An average Gregorian year is 365.2425 days (52.1775 weeks, 8765.82 hours, 525949.2 minutes or 31556952 seconds). For this calendar, a common year is 365 days (8760 hours, 525600 minutes or 31536000 seconds), and a leap year is 366 days (8784 hours, 527040 minutes or 31622400 seconds). The 400-year cycle of the Gregorian calendar has 146097 days and hence exactly 20871 weeks.

ag = a_g = 365.2425 days for the mean Gregorian year


Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!