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jap# Julian Annunciation Pisa

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Calendar Description

The Julian Annunciation calendar is a variant of the Julian calendar obtained by shifting the year change back from the 1st January to the 25th March. It is also known as the calculus pisanus since this method was used in Pisa.

Use Case

Although it may appear more logical (considering that it followed the Nativity calendar), the calculus pisanus version of the Julian Annunciation calendar was much less common than the calculus florentinus one.

Definition

Record
yearmonthdayunshiftwday

The Julian Annunciation Pisa calendar is based on Julian calendar and has the same definition as the Julian Nativity calendar except it has a different epoch.

The Epoch is set at

japyearmonthday
1325
=
jyearmonthday
0325
=
jdnday
1721142
.

Script

Default Script
scheme jap { name "Julian Annunciation Pisa"; shift j, 1721142; // j:dmy# 25 Mar 0 grammar j_sh; }

The scheme uses the j_sh grammar as defined for the Julian Nativity calendar.


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28th March 2014