File:Equation of time.svg

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Equation_of_time.svg‎ (SVG file, nominally 700 × 600 pixels, file size: 22 KB)

Description	Equation of time.svg Created to replace the raster version of this image
Date	2009-06-07 12:59 (UTC)
Source	Equation_of_time.png
Author	Equation_of_time.png: User:Drini derivative work: Zazou (talk)
Permission (Reusing this image)	see below
Other versions	Equation_of_time.png

I, the copyright holder of this work, hereby publish it under the following licenses:

This file is licensed under the Creative Commons Attribution ShareAlike 2.5, Attribution ShareAlike 2.0 and Attribution ShareAlike 1.0 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

This file is licensed under the Creative Commons Attribution ShareAlike 3.0 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license

This licensing tag was added to this file as part of the GFDL licensing update.

You may select the license of your choice.

[edit] Original upload log

This image is a derivative work of the following images:

File:Equation_of_time.png licensed with Cc-by-sa-2.5,2.0,1.0, GFDL
- 2005-12-09T06:11:18Z Drini 699x572 (25298 Bytes) Image created to replace the old unlicensed one. For [[en:Equation of time]]

Uploaded with derivativeFX

Created in GNUPlot:

set term svg size 700,600 fsize 18 enhanced
set output "Equation of time.svg"

set samples 500
unset border
unset key

set xrange [-60:390]
set xtics axis 90 offset 0, first 0.6
set mxtics 3
set xzeroaxis lc rgb "black" lw 3 lt -1
set xlabel "Day of year" 16.0,8.0

set yrange [-18:18]
set ytics axis 6
set mytics 2
set yzeroaxis lc rgb "black" lw 3 lt -1
set ylabel "Minutes" 10.0, 4.0

set grid mxtics xtics mytics ytics lt -1 lw 2 lc rgb "grey"

set style line 1 lc rgb "blue" lw 4 lt -1

b(x) = 2*pi*(x-81)/365

plot 9.87*sin(2*b(x)) - 7.53 * cos(b(x)) - 1.5*sin(b(x)) ls 1

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:01, 7 June 2009		700×600 (22 KB)	Zazou (talk \| contribs)	({{Information \|Description=Created to replace the raster version of this image \|Source=File:Equation_of_time.png \|Date=2009-06-07 12:59 (UTC) \|Author=File:Equation_of_time.png: [[User:Drini] *derivative work: ~~~ \|Permission=see below \|other)

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File:Equation of time.png

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Usage of Equation of time.svg on enwiki
- Equation of time

File:Equation of time.svg

From Wikimedia Commons, the free media repository

[edit] Original upload log

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