The MAXCLOCK webpage
Some useful links when working with MAXCLOCK
:
Astronomical timekeeping and Earth orientation (Delta-T, DUT1, etc.)
-
IERS Earth orientation data (& explanatory notes), by USNO
-
IERS Earth orientation data and searchable database (& explanatory notes), from Paris Observatory
-
IERS Earth orientation data, from IERS
-
Introductions to timescales:
by Steve Allen, Univ. of California
by Paul Schlyter
-
Delta-T tutorial, by R.H. van Gent
-
Delta-T tutorial, by Felix Verbelen
-
Delta-T overview, history, and predictions, by USNO Almanac online
-
Long-term Delta-T informations, by USNO
-
USNO documents related to IAU resolutions on timescales, etc., USNO
-
Overviews on UTC leap seconds:
by PTB
by NIST
by BNM-SYRTE
by IERS
by USNO
-
Current & historic values of DUT1:
by NIST
by Paris Observatory
-
Further reading on leap second implications:
by Markus Kuhn, Univ. Cambridge
by Steve Allen, Univ. of California
IERS official documents
Celestial mechanics in general
Moon-related phenomena
-
Moon orbit: ELP2000-82B algorithm and data, by J. Chapront and M. Chapront-Touzé
(ftp link)
-
Tables on lunar phenomena (rising, setting, phases, position, etc., mostly till 2010), by IMCCE/BDL, Paris
(ftp link)
-
Online calculator for lunar perigee, apogee, and phase, by J. Walker, Fourmilab
-
Moonrise/Moonset calculator, by USNO
Sun-related phenomena
-
Tables on solar phenomena (rising, setting, positions, seasons, etc, partly till 2099), by IMCCE/BDL, Paris
(ftp link)
-
Equinoxes, solstices, perihelions and aphelions calculated:
by USNO
tabulated, by Fred Espenak
-
A table of perihelions, from 1 to 4000, by Pierpaolo Ricci
-
Solstices, equinoxes and seasons, from 1 to 4000, by Pierpaolo Ricci (under sublink "data/seasons")
-
A table of vernal equinoxes, 25 BC to 38 AD, by USNO
-
Sunrise/Sunset calculator, by NOAA
-
Sunrise/Sunset calculator, by USNO
-
Sunrise/Sunset calculator, by sunearthtools.com
-
Calculator for Sun position (altitude and azimuth through the day with graphic display), by sunposition.info
-
Calculator for Sun position (azimuth projected on satellite imagery), by sunearthtools.com
-
Solar eclipses over several millenia, by Fred Espenak and NASA
Calendars
-
A table of odd and interesting calendar dates, by J.R. Stockton
-
Online civil calendar generator (mostly for Germany), till year 2037, by feiertage.net
-
Online civil calendar generator, till year 3999, by Steffen Thorsen (timeanddate.com)
-
Online calendar converter for various religious and civil calendar systems, by J. Walker, Fourmilab
-
Online generator for calendar with astronomical (asteroids and space travel) events, by NASA/JPL
-
Another generator, providing Sun and Moon data, by Eran Ofek, Wise Obs.
-
And yet another generator, providing very detailed day-by-day astronomical data, by Arnold Barmettler, CalSKY
-
A custom sunrise & sunset calendar, mostly for US cities, by Steve Edwards, CalSKY
-
Link collections with further calendar resources:
by calendarzone.com
The discussion on the lengths of the tropical and the anomalistic year ...
Celestial navigation and fixed stars
-
The Online Nautical Almanac, 1950-2050, by Omar F. Reis, tecepe.com
-
Online navigation data, by USNO
-
Navigational star chart, by USNO
-
Delporte's Constellation Boundary Catalogue, re-edited by Davenhall and Leggett, 1989 (from CDS Strasbourg)
-
Constellations and their boundaries, charts, year 1875 and year 2000 numeric data, by Pierre Barbier
-
All constellations charted in detail, by IAU
-
List of IAU-approved star names, by IAU
-
Further links to thematic star catalogues and images, by Bruce McEvoy
Geographical coordinates
Time zones and legal time
-
Online timezone map, by weltzeit.de
-
Detailed color timezone maps, from 1997 to 2015, by University of Texas
-
And an overview black&white map, as of 2017, by USNO
-
Time zone abbreviations, by Steffen Thorsen (timeanddate.com)
-
The international date line:
by R.H. van Gent
by USNO
-
Tables on daylight saving time periods in Germany:
1916-1979, by PTB
since 1980, by PTB
-
Daylight saving times worldwide:
by PTB
-
Daylight saving time in the European Union, 2017-2021:
by BNM-SYRTE
-
Daylight saving time in the US:
by USNO
-
Further references on on time notation standards and legislative affairs:
by Markus Kuhn, Univ. Cambridge
-
Frequency tables for time signal stations:
by smeter.net
by W. Hepburn
by MPC
by Klaus Betke, DL4BBL
by shortwave.be
by wikipedia
-
A list of time dissemination services:
by BIPM
Precision timekeeping
Documents of historical interest
-
Aristotle, "On The Heavens"
(english, courtesy J.L. Stocks, Univ. Adelaide)
-
Aristotle, "Meteorology"
(english, courtesy E.W. Webster, Univ. Adelaide)
-
Tycho Brahe, "Astronomiae instauratae mechanica", ed. 1602
(latin faksimile, courtesy Smithsonian Institution Libraries)
-
Tycho Brahe, "Astronomiae instauratae mechanica", ed. 1598
(latin faksimile, english, danish, courtesy Kongelike Bibliotek Copenhagen)
-
Tycho Brahe, collection of other works
(latin faksimile, courtesy Arkiv for Dansk Litteratur)
-
Nicolaus Copernicus, "De Revolutionibus orbium caelestium"
(latin faksimile, Biblioteka Jagiellonska, Krakov)
-
Nicolaus Copernicus, "Commentariolus"
(latin, courtesy U.Harsch, Bibliotheca Augustana, FH Augsburg)
-
Galileo Galilei, "Notes on Motion"
(latin faksimile, courtesy Biblioteca Nazionale Centrale, Florence & MPI, Berlin)
-
Galileo Galilei, the complete works
(latin, italian, courtesy LiberLiber, Roma)
-
Giordano Bruno, the complete works
(latin, italian, courtesy LiberLiber, Roma)
-
Virginia Galilei, "Lettere al Padre"
(italian, courtesy U.Harsch, Bibliotheca Augustana, FH Augsburg)
-
Virginia Galilei, "Lettere al Padre"
(english, courtesy A. Van Helden / D. Sobel, The Galileo Project)
-
Christiaan Huygens, "Systema Saturnium"
(latin faksimile, courtesy Smithsonian Institution Libraries)
-
Immanuel Kant, "Allgemeine Naturgeschichte und Theorie des Himmels"
(german, english, courtesy I.C. Johnston, Malaspina Univ.)
-
Iohannes Kepler, "Gründtlicher Bericht Von einem vngewohnlichen Newen Stern"
(german, courtesy Th. Gloning, Univ. Giessen)
-
Iohannes Kepler, "Dissertatio cum Nuncio Sidereo"
(latin, courtesy Th. Gloning, Univ. Giessen)
-
Sir Isaac Newton, "Principia"
(english)
-
Pope Gregory XIII, "Inter Gravissimas"
(latin, english, french, courtesy R. Audette, B. Spencer)
-
A collection of constitutive documents on the Gregorian calendar reform
(latin, french, courtesy R. Audette, Univ. Laval, Québec)
-
An overview on historical celestial atlases and celestial cartography
(by R.H. van Gent)
Back to MAXCLOCK main page Back to site index
www.umark.de/maxclock_links_e.html last revised: 2019-02-28