File:Jalaali Leap Year.svg

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

Summary

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 (<a class="external free" href="https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg">https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg</a>), 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: <a class="external free" href="https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg">https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg</a>

Licensing

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File history

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Date/TimeThumbnailDimensionsUserComment
current19:47, 4 January 2017Thumbnail for version as of 19:47, 4 January 2017800 × 527 (316 KB)127.0.0.1 (talk)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. <p>Intended for comparison with the analagous Gregorian chart (<a class="external free" href="https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg">https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg</a>), thus the date range in nice round Gregorian years. </p> <p>Generated with R & ggplot2, minor cleanup in Inkscape. Data generated using node and jalaai-js. </p> Source code: <a class="external free" href="https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg">https://commons.wikimedia.org/wiki/File:Gregoriancalendarleap_solstice.svg</a>
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