File:Equation of time.svg

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

see below
Other versions

Equation_of_time.png
I, the copyright holder of this work, hereby publish it under the following licenses:
w:en:Creative Commons
attribution share alike		 This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
  • share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
GNU head 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.

w:en:Creative Commons
attribution share alike		 This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
  • share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
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

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current12:01, 7 June 2009Thumbnail for version as of 12:01, 7 June 2009700 × 600 (22 KB)Zazou{{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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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Width 700
Height 600
Image title Produced by GNUPLOT 4.3 patchlevel 0
Retrieved from "http://en.wikipedia.org/wiki/File:Equation_of_time.svg"
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