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193:, in such a way that the shadow of the gnomon fell across the center of the marble altar on 23 September, the birthday of Augustus himself. The obelisk itself was set up to memorialize Augustus' subordination of Egypt to the control of the Roman empire. The two monuments must have been planned together, in relation to the pre-existing
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remarks that in the monument had stopped accurately reflecting the solar year by about 40 CE and offers several explanations for the shift, including that the sun, the earth, or both might not be as fixed in their position and movement as was usually believed at the time. The obelisk was illustrated,
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The obelisk gnomon was still standing in the 8th century CE, but was thrown down and broken, then covered in sediment; it was rediscovered in 1512, but not excavated. In a triumphant rededication, the '
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that cast its shadow on a marble pavement inlaid with a gilded bronze network of lines, by which it was possible to read the time of day according to the season of the year. The
257:. Recent studies have challenged Buchner's reconstruction of the Solarium as a full sundial, maintaining that the archaeological and textual evidence indicates a simple
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1996:194, reporting
Buchner's meticulous survey published in Buchner, "Horologium solarium Augusti: Vorbericht über die Ausgrabungen 1979/80"
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excavated some sections of the calibrated marble pavement of the
Solarium Augusti under the block of houses between
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Project to construct a full-scale replica on the campus of the
University of Oregon, Eugene
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466:(London: Oxford University Press), 1929:366f, with William Thayer's additional notes
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used to track the solar year. It served as a monument of
Augustus having brought
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Robert E. A. Palmer, "Studies of the
Northern Campus Martius in Ancient Rome"
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197:, to demonstrate that Augustus was "born to bring peace", that peace was his
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Peter Heslin, "Augustus, Domitian and the So-Called
Horologium Augusti",
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Peter J. Holliday, "Time, History, and Ritual on the Ara Pacis
Augustae"
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Peter Heslin, "Augustus, Domitian and the So-Called
Horologium Augusti",
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Die
Sonnenuhr des Augustus: Kaiser Augustus und die verlorene Republik
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Part of the meridian under the cellar of a stable building in the
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Paul Zanker, "The
Augustan Program of Cultural Renewal (part two)
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114:, it is now more commonly understood to have been used with a
516:. The Solarium Augusti in the context of Augustan monuments.
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Buildings and structures completed in the 1st century BC
138:. The Solarium was destroyed at some point during the
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supported by a reclining figure, on the base of the
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by Paul Zanker; University of Michigan Press; 1988.
361:Transactions of the American Philosophical Society
166:in ancient Egypt. The obelisk was employed as a
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591:Ancient Roman buildings and structures in Rome
185:The Solarium Augusti was integrated with the
182:. It was the first solar dedication in Rome.
525:"The Horologium of Augustus: a bibliography"
142:. Its recovered obelisk is now known as the
501:The Power of Images in the Age of Augustus
463:A Topographical Dictionary of Ancient Rome
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158:, with the 30-meter Egyptian red granite
367:.2 (1990:1-64) p. 21, commenting on the
295:. Oxford University Press. p. 205.
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16:Roman solar marker in the Campus Martius
110:. Once believed to have been a massive
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461:Samuel Ball Platner and Thomas Ashby,
99:that had first been erected under the
189:in the Campus Martius, aligning with
450:illustrated by Dr. Mary Ann Sullivan
292:Archaeology and the Letters of Paul
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391:.4 (December 1990:542-557) p. 554.
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533:, part of the Encyclopædia Romana
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400:Alan K. Bowman, Edward Champlin,
539:Meridian vs. Horologium-Solarium
122:and was also connected with the
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289:Nasrallah, Laura Salah (2019).
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318:(1976). "Solarium Augusti und
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154:It was erected by the emperor
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406:The Cambridge Ancient History
477:The Journal of Roman Studies
344:The Journal of Roman Studies
255:Piazza San Lorenzo in Lucina
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178:in 10 BCE, 35 years after
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106:used in some fashion as a
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495:The broad context of the
203:Cambridge Ancient History
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221:Column of Antoninus Pius
74:) was a monument in the
601:Rome R. IV Campo Marzio
160:Obelisk of Montecitorio
144:Obelisk of Montecitorio
124:Altar of Augustan Peace
37:Obelisk of Montecitorio
567:41.9031639; 12.4785417
531:Horologium of Augustus
402:Andrew William Lintott
232:Piazza di Montecitorio
120:Egypt under Roman rule
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47:
44:Piazza di Montecitorio
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410:Römische Mitteilungen
324:Römische Mitteilungen
251:Piazza del Parlamento
195:Mausoleum of Augustus
174:was dedicated to the
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230:' was re-erected in
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201:. According to the
132:numerous civil wars
72:Orologio di Augusto
126:commemorating the
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302:978-0-19-969967-4
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415:(1980:355-73).
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444:Now in the
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363:New Series
329:: 319-375;
242:Archaeology
140:Middle Ages
580:Categories
490:References
164:Heliopolis
128:Pax Romana
104:Psamtik II
320:Ara Pacis
238:in 1789.
187:Ara Pacis
46:location.
586:Sundials
265:See also
172:solarium
156:Augustus
94:Egyptian
90:Augustus
371:of the
236:Pius VI
208:In his
199:destiny
150:History
112:sundial
101:pharaoh
97:obelisk
87:emperor
68:Italian
64:Sundial
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168:gnomon
108:gnomon
58:(both
40:gnomon
277:Notes
216:Pliny
84:Roman
62:for "
60:Latin
369:Acta
297:ISBN
253:and
50:The
35:The
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234:by
176:Sun
78:of
54:or
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