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Qiblah
The qibla ( ar, قِبْلَة, links=no, lit=direction, translit=qiblah) is the direction towards the Kaaba in the Sacred Mosque in Mecca, which is used by Muslims in various religious contexts, particularly the direction of prayer for the salah. In Islam, the Kaaba is believed to be a sacred site built by prophets Abraham and Ishmael, and that its use as the qibla was ordained by Allah in several verses of the Quran revealed to Muhammad in the second Hijri year. Prior to this revelation, Muhammad and his followers in Medina faced Jerusalem for prayers. Most mosques contain a ''mihrab'' (a wall niche) that indicates the direction of the qibla. The qibla is also the direction for entering the ''ihram'' (sacred state for the hajj pilgrimage); the direction to which animals are turned during '' dhabihah'' (Islamic slaughter); the recommended direction to make '' dua'' (supplications); the direction to avoid when relieving oneself or spitting; and the direction to which the decea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mosque
A mosque (; from ar, مَسْجِد, masjid, ; literally "place of ritual prostration"), also called masjid, is a place of prayer for Muslims. Mosques are usually covered buildings, but can be any place where prayers ( sujud) are performed, including outdoor courtyards. The first mosques were simple places of prayer for Muslims, and may have been open spaces rather than buildings. In the first stage of Islamic architecture, 650-750 CE, early mosques comprised open and closed covered spaces enclosed by walls, often with minarets from which calls to prayer were issued. Mosque buildings typically contain an ornamental niche ('' mihrab'') set into the wall that indicates the direction of Mecca ('' qiblah''), ablution facilities. The pulpit ('' minbar''), from which the Friday ( jumu'ah) sermon (''khutba'') is delivered, was in earlier times characteristic of the central city mosque, but has since become common in smaller mosques. Mosques typically have segregated spaces for m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ihram
''Ihram'' ( ar, إِحْرَام, iḥrām, from the triconsonantal root Ḥ-R-M) is, in Islam, a sacred state which a Muslim must enter in order to perform the major pilgrimage ('' Ḥajj'') or the minor pilgrimage (''ʿ Umrah''). A pilgrim must enter into this state before crossing the pilgrimage boundary, known as '' Mīqāt'', by performing the cleansing rituals and wearing the prescribed attire. Restrictions Wearing A man in the state of ''ihram'' must not tie any knots or wear any stitched items. Sandals and flip flops must not be stitched either and should allow the ankle and back of foot to be exposed (some other schools of thought also agree that the front of the foot must be shown as well). Men are also not allowed to cover the head or part of it by using a songkok, keffiyeh, turban, ihram cloth, etc. in the state of ihram. In the state of ihram, women and men are not allowed to wear gloves. Scents Whilst in the state of ''ihram'', a Muslim must not use a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Islamic Astronomy
Islamic astronomy comprises the astronomical developments made in the Islamic world, particularly during the Islamic Golden Age (9th–13th centuries), and mostly written in the Arabic language. These developments mostly took place in the Middle East, Central Asia, Al-Andalus, and North Africa, and later in the Far East and India. It closely parallels the genesis of other Islamic sciences in its assimilation of foreign material and the amalgamation of the disparate elements of that material to create a science with Islamic characteristics. These included Greek, Sassanid, and Indian works in particular, which were translated and built upon. Islamic astronomy played a significant role in the revival of Byzantine and EuropeanSaliba (1999). astronomy following the loss of knowledge during the early medieval period, notably with the production of Latin translations of Arabic works during the 12th century. Islamic astronomy also had an influence on Chinese astronomy and M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Companions Of The Prophet
The Companions of the Prophet ( ar, اَلصَّحَابَةُ; ''aṣ-ṣaḥāba'' meaning "the companions", from the verb meaning "accompany", "keep company with", "associate with") were the disciples and followers of Muhammad who saw or met him during his lifetime, while being a Muslim and were physically in his presence. "Al-ṣaḥāba" is definite plural; the indefinite singular is masculine ('), feminine ('). Later Islamic scholars accepted their testimony of the words and deeds of Muhammad, the occasions on which the Quran was revealed and other various important matters of Islamic history and practice. The testimony of the companions, as it was passed down through trusted chains of narrators ('' isnad''s), was the basis of the developing Islamic tradition. From the traditions (''hadith'') of the life of Muhammad and his companions are drawn the Muslim way of life ('' sunnah''), the code of conduct (''sharia'') it requires, and the jurisprudence (''fiqh'') by which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saudi Arabia Standard Time
Saudi Arabia Standard Time ( ar, التوقيت القياسي السعودي, At-Tawqīt al-qiyāsiyy as-suʿūdiyy), abbreviated as SAST, is the standard time zone of Saudi Arabia. The time zone is 3 hours ahead of UTC ( UTC+03:00) with no daylight savings. SAST is defined by the 45th Meridian East. Before a standardized time zone was introduced, the country used ''Arabic time'', in which clocks were set to midnight at sundown. Because of confusion between various other systems also used in the kingdom, the standardized use of a time zone was established. History Until 1968, Saudi Arabia used ''Arabic time,'' where clocks were set to 12 o'clock at sunset or when the call to prayer for the sunset prayer was heard. This was because the Islamic calendar defines sunset as marking the beginning of a new day. However this later conflicted with the introduction of western sun time, which defined, in congruence with Europe, the start of a new day to be midnight. With western sun time ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Qibla Observation By Shadows
Twice every year, the Sun culminates at the zenith of the ''Kaaba'' in Mecca, the holiest site in Islam, at local solar noon, allowing the qibla (the direction towards the ''Kaaba'') to be ascertained in other parts of the world by observing the shadows cast by vertical objects. This phenomenon occurs at 12:18 Saudi Arabia Standard Time (SAST; 09:18 UTC) on 27 or 28 May (depending on the year), and at 12:27 SAST (09:27 UTC) on 15 or 16 July (depending on the year). At these times, the sun appears in the direction of Mecca, and shadows cast by vertical objects determine the qibla. At two other moments in the year, the sun passes through the nadir (the antipodal zenith) of the ''Kaaba'', casting shadows that point in the opposite direction, and thus also determine the qibla. These occur on 12, 13, or 14 January at 00:30 SAST (21:30 UTC on the preceding day), and 28 or 29 November at 00:09 SAST (21:09 UTC on the preceding day). The shadow points towards Mecca because the sun pat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Qibla Compass
A Qibla compass or qiblah compass (sometimes also called qibla/qiblah indicator or ''qiblanuma'') is a modified compass used by Muslims to indicate the direction to face to perform prayers. In Islam, this direction is called qibla, and points towards the city of Mecca and specifically to the Ka'abah. While the compass, like any other compass, points north, the direction of prayer is indicated by marks on the perimeter of the dial, corresponding to different cities, or by a second pointer set by the user according to their own location. To determine the proper direction, one has to know with some precision both the longitude and latitude of one's own location and those of Mecca, the city toward which one must face. Once that is determined, the values are applied to a spherical triangle, and the angle from the local meridian to the required direction of Mecca can be determined. The indicator usually consists of a round brass box with a hinged lid and an inset magnetic compass. A li ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mobile App
A mobile application or app is a computer program or software application designed to run on a mobile device such as a phone, tablet, or watch. Mobile applications often stand in contrast to desktop applications which are designed to run on desktop computers, and web applications which run in mobile web browsers rather than directly on the mobile device. Apps were originally intended for productivity assistance such as email, calendar, and contact databases, but the public demand for apps caused rapid expansion into other areas such as mobile games, factory automation, GPS and location-based services, order-tracking, and ticket purchases, so that there are now millions of apps available. Many apps require Internet access. Apps are generally downloaded from app stores, which are a type of digital distribution platforms. The term "app", short for "application", has since become very popular; in 2010, it was listed as " Word of the Year" by the American Dialect Society. A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Formula
In science, a formula is a concise way of expressing information symbolically, as in a mathematical formula or a ''chemical formula''. The informal use of the term ''formula'' in science refers to the general construct of a relationship between given quantities. The plural of ''formula'' can be either ''formulas'' (from the most common English plural noun form) or, under the influence of scientific Latin, ''formulae'' (from the original Latin). In mathematics In mathematics, a formula generally refers to an identity which equates one mathematical expression to another, with the most important ones being mathematical theorems. Syntactically, a formula (often referred to as a ''well-formed formula'') is an entity which is constructed using the symbols and formation rules of a given logical language. For example, determining the volume of a sphere requires a significant amount of integral calculus or its geometrical analogue, the method of exhaustion. However, having do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spherical Trigonometry
Spherical trigonometry is the branch of spherical geometry that deals with the metrical relationships between the sides and angles of spherical triangles, traditionally expressed using trigonometric functions. On the sphere, geodesics are great circles. Spherical trigonometry is of great importance for calculations in astronomy, geodesy, and navigation. The origins of spherical trigonometry in Greek mathematics and the major developments in Islamic mathematics are discussed fully in History of trigonometry and Mathematics in medieval Islam. The subject came to fruition in Early Modern times with important developments by John Napier, Delambre and others, and attained an essentially complete form by the end of the nineteenth century with the publication of Todhunter's textbook ''Spherical trigonometry for the use of colleges and Schools''. Since then, significant developments have been the application of vector methods, quaternion methods, and the use of numerical methods. P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spherical Earth
Spherical Earth or Earth's curvature refers to the approximation of figure of the Earth as a sphere. The earliest documented mention of the concept dates from around the 5th century BC, when it appears in the writings of Greek philosophers. In the 3rd century BC, Hellenistic astronomy established the roughly spherical shape of Earth as a physical fact and calculated the Earth's circumference. This knowledge was gradually adopted throughout the Old World during Late Antiquity and the Middle Ages.Continuation into Roman and medieval thought: Reinhard Krüger:Materialien und Dokumente zur mittelalterlichen Erdkugeltheorie von der Spätantike bis zur Kolumbusfahrt (1492)Direct adoption by India: D. Pingree: "History of Mathematical Astronomy in India", ''Dictionary of Scientific Biography'', Vol. 15 (1978), pp. 533–633 (554f.); Glick, Thomas F., Livesey, Steven John, Wallis, Faith (eds.): "Medieval Science, Technology, and Medicine: An Encyclopedia", Routledge, New York ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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