Fasciculus:Leapsecond.ut1-utc.svg

Size of this PNG preview of this SVG file: 600 × 480 elementa imaginalia. Aliae mensurae: 300 × 240 elementa imaginalia | 960 × 768 elementa imaginalia | 1 280 × 1 024 elementa imaginalia | 2 560 × 2 048 elementa imaginalia.

Sua resolutio ‎(fasciculus SVG, nominale 600 × 480 elementa imaginalia, magnitudo fasciculi: 301 chiliocteti)

Hic fasciculus apud Vicimedia Communia iacet; in aliis inceptis adhiberi potest. Contenta paginae descriptionis fasciculi subter monstrantur.

Summarium

Descriptio

English: Plot showing the difference UT1−UTC in seconds. Vertical segments correspond to leap seconds. Red part of graph was prediction (future values) at the time the file was made.

Čeština: Graf zobrazující rozdíl UT1−UTC v sekundách. Svislé úseky odpovídají přestupným sekundám. Červená část je předpověď budoucích hodnot (v okamžiku vytvoření grafu).

Datum

2017-01-05, last update 2024-01-03

Fons

Own work using: https://maia.usno.navy.mil/ser7/finals.all

Auctor

Tomia (disputatio · conlationes)
Petr Kadlec (disputatio · conlationes)
Gordon P. Hemsley (disputatio · conlationes)
RP88 (disputatio · conlationes)

Permissio
(Reusing this file)

This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship.

	This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
	The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission. CC0falsefalse

Other versions

Original PNG image (2005)
Derivative SVG image (2008)

SVG genesis

The SVG code is valid.

This plot was created with Gnuplot.

Source code

Generated using the following scripts:

wget https://maia.usno.navy.mil/ser7/finals.all

cut -c 1-2,3-4,5-6,8-15,58,59-68 --output-delimiter " " finals.all > finals-cut.txt
grep "P" finals-cut.txt > finals-pred.txt
grep "I" finals-cut.txt > finals-iers.txt

gnuplot leapsecs.gnuplot

leapsecs.gnuplot contains commands for gnuplot 5.0:

set xdata time
set timefmt "%Y-%m-%d"
set format x "%Y"
set xrange ["1973-01-01":"2026-01-01"]
set yrange [-0.9:0.9]
set grid lt 3 lc 0
set terminal svg font "Arial,16"
set style line 1 lc rgb 'dark-green' lt 1
set style line 2 lc rgb 'red' lt 1
unset key
makedate(y,m,d,j) = sprintf("%04d-%02d-%02d", (j <= 51543 ? 1900 + y : 2000 + y), m, d)
set output 'Leapsecond.ut1-utc.svg'
plot \
    'finals-iers.txt' \
        using (makedate($1,$2,$3,$4)):($6) \
        with lines linestyle 1 title 'Measured', \
    'finals-pred.txt' \
        using (makedate($1,$2,$3,$4)):($6) \
        with lines linestyle 2 title 'Predicted'
set output

Historia fasciculi

Presso die vel tempore fasciculum videbis, sicut tunc temporis apparuit.

	Dies/Tempus	Dimensiones	Usor	Sententia
recentissima	02:57, 3 Ianuarii 2024	600 × 480 (301 chiliocteti)	RP88	Updated to use data available as of 2024-01-03. Prediction through 2025.
	03:17, 4 Augusti 2023	600 × 480 (298 chiliocteti)	RP88	Updated to use data available as of 2023-08-03. Prediction through 2024.
	15:17, 30 Septembris 2022	600 × 480 (246 chiliocteti)	Mormegil	updated to current data
	08:59, 1 Aprilis 2022	600 × 480 (242 chiliocteti)	Mormegil	updated to current data
	09:02, 4 Ianuarii 2021	600 × 480 (238 chiliocteti)	Mormegil	updated to current data
	08:16, 29 Aprilis 2020	600 × 480 (235 chiliocteti)	Mormegil	update data
	14:00, 24 Septembris 2019	600 × 480 (234 chiliocteti)	Mormegil	updated to current data with prediction until 2020-09
	10:46, 23 Ianuarii 2019	600 × 480 (231 chiliocteti)	Mormegil	updated to current data
	07:47, 13 Augusti 2018	600 × 480 (229 chiliocteti)	Mormegil	updated to current data
	21:34, 5 Ianuarii 2017	600 × 480 (221 chiliocteti)	RP88	Updated to use data available as of 2017-01-05, post leap second.