Image: Jalaali Leap Year

Size of this PNG preview of this SVG file: 800 × 527 pixels. Other resolution: 320 × 211 pixels.

Original image ‎(SVG file, nominally 800 × 527 pixels, file size: 316 KB)

Description: Illustrates how the leap year in the Jalaali calendar works. Charts the amount of time from the beginning of the year (12:00am, 1 Farvadin, Tehran time) and the spring equinox for each year from A.D. 1750 to A.D. 2250 (Jalaali 1129-1629). Lengths of leap year cycles are indicated with by brackets below graph. Intended for comparison with the analagous Gregorian chart (https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg), thus the date range in nice round Gregorian years. Generated with R & ggplot2, minor cleanup in Inkscape. Data generated using node and jalaai-js.

Source code: https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg
Author: Joel Bradshaw
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes

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