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Convert julian year to gregorian year

Here you can quickly calculate how many gregorian year fit in one julian year.

- scroll: formula · table · questions -

  • 1 = 1.000021
  • 1 = 0.999979

Julian year to gregorian year conversion table

julian year gregorian year
1 1.000021
2 2.000043
5 5.000107
10 10.000214
20 20.000427
50 50.001068
100 100.002136

Formula to convert julian year to gregorian year

To convert julian year to gregorian year, multiply by 1.000021.

1 = 1.000021
Example: 1 julian year = 1.000021 gregorian year

Common mistakes in time conversion

  • A year is not exactly 52 weeks: 365 days is 52 weeks plus one day, and a leap year 52 weeks plus two. That extra day is why the same date shifts one weekday each year. When spreading a yearly amount per week, use 52.18 weeks per year.
  • There are several year definitions: the Julian year is exactly 365.25 days, the Gregorian calendar year 365.2425, and the tropical year about 365.2422 days. For everyday use the differences are negligible, but they matter in astronomy, the light-year, for instance, is defined using the Julian year.

Quick julian year to/from gregorian year conversion quiz

Score: 0

1.2 julian year equals 1.38 gregorian year.

Correct answer: 1.2 julian year = 1.2 gregorian year.

21.2 gregorian year equals 24.4 julian year.

Correct answer: 21.2 gregorian year = 21.2 julian year.

95 julian year equals 95 gregorian year.

Correct answer: 95 julian year = 95 gregorian year.

More conversions in time