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Roman Timekeeping
In Roman timekeeping, a day was divided into periods according to the available technology. Initially, the day was divided into two parts: the ''ante meridiem'' (before noon) and the ''post meridiem'' (after noon). With the introduction of the Ancient Greece, Greek sundial to Rome from the Samnites circa 293 BC, the period of the #Natural day, natural day from sunrise to sunset was divided into twelve hours. Variation An hour was defined as one twelfth of the daytime, or the time elapsed between sunset and sunrise. Since the duration varied with the seasons, this also meant that the length of the hour changed. Winter days being shorter, the hours were correspondingly shorter and longer in summer. At Mediterranean latitude, one hour was about 45 minutes at the winter solstice, and 75 minutes at summer solstice. The Romans understood that as well as varying by season, the length of daytime depended on latitude. Subdivision of the day and night Civil day The civil day (''dies civ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Temple Of Apollo (7238818732) Détail
Temple of Apollo may refer to: * Cyprus *Temple of Apollo Hylates, Limassol Czech republic *Temple of Apollo, Lednice–Valtice Cultural Landscape, South Moravian Region Greece *Temple of Apollo, Corinth *Temple of Apollo (Delphi) *Temple of Apollo at Bassae *Temple of Apollo Patroos, Athens *Temple of Apollo Zoster, Vouliagmeni in Attica *Temple of Apollo (Kolona), Aegina town, Aegina, Saronic Islands *Temple of Apollo, Thermon *Temple of the Delians, at Delos *Temple of Apollo, Dreros, Crete *Temple of Apollo, Gortyn, Crete *Temple of Apollo Daphnephoros, Eretria#Temple of Apollo Daphnephoros, Eretria *Temple of Apollo Aktios, Temple of Apollo Aktios (Actium) Italy *Temple of Apollo, Cumae *Temple of Apollo Palatinus, in Rome *Temple of Apollo Sosianus, in Rome *Temple of Apollo (Pompeii) *Temple of Apollo (Syracuse), Sicily *Temple C (Selinus), at Selinunte (formerly identified as a Temple to Herakles) Malta *Temple of Apollo (Melite), now largely destroyed Turkey *Temple o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sundial
A sundial is a horology, horological device that tells the time of day (referred to as civil time in modern usage) when direct sunlight shines by the position of the Sun, apparent position of the Sun in the sky. In the narrowest sense of the word, it consists of a flat plate (the ''dial'') and a gnomon, which casts a shadow onto the dial. As the Sun diurnal motion, appears to move through the sky, the shadow aligns with different hour-lines, which are marked on the dial to indicate the time of day. The ''style'' is the time-telling edge of the gnomon, though a single point or ''nodus'' may be used. The gnomon casts a broad shadow; the shadow of the style shows the time. The gnomon may be a rod, wire, or elaborately decorated metal casting. The style must be polar alignment, parallel to the axis of the Earth's rotation for the sundial to be accurate throughout the year. The style's angle from horizontal is equal to the sundial's geographical latitude. The term ''sundial'' can r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
24-hour Clock
The modern 24-hour clock is the convention of timekeeping in which the day runs from midnight to midnight and is divided into 24 hours. This is indicated by the hours (and minutes) passed since midnight, from to , with as an option to indicate the end of the day. This system, as opposed to the 12-hour clock, is the most commonly used time notation in the world today, and is used by the international standard ISO 8601. A number of countries, particularly English speaking, use the 12-hour clock, or a mixture of the 24- and 12-hour time systems. In countries where the 12-hour clock is dominant, some professions prefer to use the 24-hour clock. For example, in the practice of medicine, the 24-hour clock is generally used in documentation of care as it prevents any ambiguity as to when events occurred in a patient's medical history. Description A time of day is written in the 24-hour notation in the form hh:mm (for example 01:23) or hh:mm:ss (for example, 01:23:45), where h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
12-hour Clock
The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin , translating to "before midday") and p.m. (from Latin , translating to "after midday"). Each period consists of 12 hours numbered: 12 (acting as 0), 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11. The 12-hour clock has been developed since the second millennium BC and reached its modern form in the 16th century. The 12-hour time convention is common in several English-speaking nations and former British Empire, British colonies, as well as a few other countries. In English-speaking countries: "12 p.m." usually indicates noon, while "12 a.m." means midnight, but the reverse convention has also been used (see #Confusion at noon and midnight, § Confusion at noon and midnight). "Noon" and "midnight" are unambiguous. History and use The natural day-and-night division of a calendar day forms the fundamental basis as to why each day is split ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Midday
Noon (also known as noontime or midday) is 12 o'clock in the daytime. It is written as 12 noon, 12:00 m. (for '' meridiem'', literally 12:00 midday), 12 p.m. (for ''post meridiem'', literally "after midday"), 12 pm, or 12:00 (using a 24-hour clock) or 1200 ( military time). Solar noon is the time when the Sun appears to contact the local celestial meridian. This is when the Sun reaches its apparent highest point in the sky, at 12 noon apparent solar time and can be observed using a sundial. The local or clock time of solar noon depends on the date, longitude, and time zone, with Daylight Saving Time tending to place solar noon closer to 1:00pm. Etymology The word ''noon'' is derived from Latin ''nona hora'', the ninth canonical hour of the day, in reference to the Western Christian liturgical term Nones (liturgy), (number nine), one of the seven fixed prayer times in traditional Christian denominations. The Roman and Western European medieval monastic day began at 6:00&nbs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Noon
Noon (also known as noontime or midday) is 12 o'clock in the daytime. It is written as 12 noon, 12:00 m. (for '' meridiem'', literally 12:00 midday), 12 p.m. (for ''post meridiem'', literally "after midday"), 12 pm, or 12:00 (using a 24-hour clock) or 1200 ( military time). Solar noon is the time when the Sun appears to contact the local celestial meridian. This is when the Sun reaches its apparent highest point in the sky, at 12 noon apparent solar time and can be observed using a sundial. The local or clock time of solar noon depends on the date, longitude, and time zone A time zone is an area which observes a uniform standard time for legal, Commerce, commercial and social purposes. Time zones tend to follow the boundaries between Country, countries and their Administrative division, subdivisions instead of ..., with Daylight Saving Time tending to place solar noon closer to 1:00pm. Etymology The word ''noon'' is derived from Latin ''nona hora'', the ninth c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
None (liturgy)
None ("Ninth"), also known as Nones, the Ninth Hour, or the Midafternoon Prayer, is a fixed time of prayer of the Divine Office of almost all the traditional Christian liturgies. It consists mainly of psalms and is said around 3 pm (15:00), about the ninth hour after dawn. In the Roman Rite, None is one of " Little Hours". In the Oriental Orthodox Churches, such as the Coptic Orthodox Church, Ethiopian Orthodox Church and Indian Orthodox Church, it is one of the seven fixed prayer times to be recited by all Christians. History Origin According to an Ancient Greek and Roman custom, the day was, like the night, divided into four parts, each consisting of three hours. Among the ancients the hour of None was regarded as the close of the day's business and the time for the baths and supper. This division of the day was in vogue also among the Jews, from whom the Church borrowed it. In addition to Morning and Evening Prayer to accompany the sacrifices, there was prayer at the Third, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sext
Sext is a canonical hour of the Divine Office in the liturgies of many Christian denominations. It consists mainly of psalms and is held around noon. Its name comes from Latin and refers to the sixth hour of the day after dawn. With Terce, None and Compline it belongs to the so-called Little Hours. In Oriental Orthodox Christianity and Oriental Protestant Christianity, the office is prayed at 12 pm, being known as Sheth sho`in in the Syriac and Indian traditions; it is prayed facing the eastward direction of prayer by all members in these denominations, both clergy and laity, being one of the seven fixed prayer times. History The ''hora sexta'' of the Romans corresponded closely with our noon. Among the Jews it was already regarded, together with Terce and None, as an hour most favourable to prayer. The Acts of the Apostles state that St. Peter went up to the higher parts of the house to pray (). It was the middle of the day, also the usual hour of rest, and in consequ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Terce
Terce is a canonical hour of the Divine Office. It consists mainly of psalms and is held around 9 a.m. Its name comes from Latin and refers to the third hour of the day after dawn. Along with Prime, Sext, None, and Compline, Terce belongs to the group known as " Little Hours". Origin From the time of the early Church, the practice of seven fixed prayer times have been taught; in '' Apostolic Tradition'', Hippolytus instructed Christians to pray seven times a day "on rising, at the lighting of the evening lamp, at bedtime, at midnight" and "the third, sixth and ninth hours of the day, being hours associated with Christ's Passion." This practice of seven fixed prayer times continues today in many Christian denominations. The origin of Terce, like that of Sext and None, to which it bears a close relationship, dates back to Apostolic times. According to an ancient custom of the Romans and Greeks, the day and night respectively were divided into four parts of about thre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prime (liturgy)
Prime, or the First Hour, is one of the canonical hours of the Divine Office, said at the first hour of daylight (6:00 a.m. at the equinoxes but earlier in summer, later in winter), between the dawn hour of Lauds and the 9 a.m. hour of Terce. It remains part of the Christian liturgies of Eastern Christianity, but suppressed within the Roman rite by the Second Vatican Council, although a number of monastic communities and clerical institutes continue to use it as they do the rest of the preconciliar Roman rite. In the Coptic Church, a denomination of Oriental Orthodox Christianity, the office of Prime is prayed at 6 am in eastward direction of prayer by all members in this denomination, both clergy and laity, being one of the seven fixed prayer times. Roman Catholic clergy under obligation to celebrate the Liturgy of the Hours may still fulfil their obligation by using the edition of the Roman Breviary promulgated by Pope John XXIII in 1962, which contains Prime. Lik ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Catholic Church
The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwide as of 2025. It is among the world's oldest and largest international institutions and has played a prominent role in the history and development of Western civilization.Gerald O'Collins, O'Collins, p. v (preface). The church consists of 24 Catholic particular churches and liturgical rites#Churches, ''sui iuris'' (autonomous) churches, including the Latin Church and 23 Eastern Catholic Churches, which comprise almost 3,500 dioceses and Eparchy, eparchies List of Catholic dioceses (structured view), around the world, each overseen by one or more Bishops in the Catholic Church, bishops. The pope, who is the bishop of Rome, is the Papal supremacy, chief pastor of the church. The core beliefs of Catholicism are found in the Nicene Creed. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canonical Hours
In the practice of Christianity, canonical hours mark the divisions of the day in terms of Fixed prayer times#Christianity, fixed times of prayer at regular intervals. A book of hours, chiefly a breviary, normally contains a version of, or selection from, such prayers. In the Roman Rite of the Catholic Church, canonical hours are also called officium, since it refers to the official prayer of the Church, which is known variously as the ("divine service" or "divine duty"), and the ("work of God"). The current official version of the hours in the Roman Rite is called the Liturgy of the Hours () or ''divine office''. In Lutheranism and Anglicanism, they are often known as the daily office or divine office, to distinguish them from the other "offices" of the Church (e.g. the administration of the sacraments). In the Eastern Orthodox Church, Eastern Orthodox and Byzantine Rite, Byzantine Catholic Churches, the canonical hours may be referred to as the Divine Service (Eastern Or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
