Conversion number between **year (Gregorian)** [a, y, or yr] and
**year (Julian)** [a, y, or yr] is **0.9999794661191**.
This means, that year (Gregorian) is smaller unit than year (Julian).

Switch to reverse conversion:

from **year (Julian)** to **year (Gregorian)** conversion

[a, y, or yr] |

Result in **year (Julian)**

- 1 year (Gregorian) = (exactly) `(31556952) / (31557600)` =
**0.9999794661191**year (Julian) - 1 year (Julian) = (exactly) `(31557600) / (31556952)` =
**1.0000205343026**year (Gregorian) - ? year (Gregorian) × `(31556952 ("s"/"year (Gregorian)")) / (31557600 ("s"/"year (Julian)"))` =
**?**year (Julian)

If conversion between **year (Gregorian) to second** and **second to year (Julian)** is exactly definied, high precision conversion from year (Gregorian) to year (Julian) is enabled.

Decimal places: (0-800)

year (Gregorian)Result in

Start value: | [year (Gregorian)] |

Step size | [year (Gregorian)] |

How many lines? | (max 100) |

visual:

year (Gregorian) | year (Julian) |
---|---|

0 | 0 |

10 | 9.999794661191 |

20 | 19.999589322382 |

30 | 29.999383983573 |

40 | 39.999178644764 |

50 | 49.998973305955 |

60 | 59.998767967146 |

70 | 69.998562628337 |

80 | 79.998357289528 |

90 | 89.998151950719 |

100 | 99.99794661191 |

110 | 109.9977412731 |

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Convert **Year (Gregorian) to other unit:**

### year (Gregorian)

Definition of year (Gregorian) unit: = 365.2425 d average. As the common year has 365 days, the Gregorian calendar with leap years compensate the deviation from the real, astronomical year. According to this calendar, every 4th year is a leap year, except for every 100th. But every 400th is a leap year. This means that there are 97 leap years in 400 year period. So according to Gregorian's calendar, one year has 365 + 97/400 days (average). This is not a perfect approach, but in 1000 year period, the defiation is only 0.3 days compared to the astronomical year. In the year 1582 Gregorian replaced the Julian calendar.

Convert **Year (Julian) to other unit:**

### year (Julian)

Definition of year (Julian) unit: = 365.25 d average. The basic calendar year has 365 days, but in fact the Earth needs a little more time around the sun. The Julian calendar compensated this with leap year (every fourth year had 366 days). According to the formula, a Julian year has 365 + 1/4 = 365.25 days. But even with this compensation, the astronomical year slip 0.78 days every 100 years into real seasons. Therefore, most countries have moved to the Gregorian calendar introduced in 1582.

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