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Iftar, a meal consumed to break fast.It is a sunnah to break fast with dates. In Islam, fasting (known as sawm, [1] Arabic: صوم; Arabic pronunciation: or siyam, Arabic: صيام; Arabic pronunciation:) is the practice of abstaining, usually from food, drink, sexual activity and anything which substitutes food and drink.
Observed by: Muslims: Type: Islamic: Celebrations: Community iftars and prayers: Observances: Fasting ()Almsgiving (zakat, specifically zakat ul-Fitr, and sadaqah)Commemorating the Night of Power (Lailat ul-Qadr)
Whereas a hydrogen atom moves at 1,600 m/s at room temperature and a nitrogen atom moves at 510 m/s, a caesium atom moves at a much slower speed of 130 m/s due to its greater mass. [ 65 ] [ 10 ] The hyperfine frequency of caesium (~9.19 GHz) is also higher than other elements such as rubidium (~6.8 GHz) and hydrogen (~1.4 GHz). [ 10 ]
In lunar calendars, a lunar month is the time between two successive syzygies of the same type: new moons or full moons.The precise definition varies, especially for the beginning of the month.
International Atomic Time (abbreviated TAI, from its French name temps atomique international [1]) is a high-precision atomic coordinate time standard based on the notional passage of proper time on Earth's geoid. [2]
Resting place: Imam Bukhari Mosque near Samarkand, Uzbekistan: Era: Islamic Golden Age (Abbasid era)Region: Abbasid Caliphate: Main interest(s) Hadith, Aqidah: Notable work(s) Sahih al-Bukhari
Abu Sulaiman Dawud ibn Nusair al-Tā'ī, (Arabic: ابو سلیمان داؤد بن نصیر الطائي) usually referred to as Dawud Tā'ī, (died between 776 and 783 CE) was an Islamic scholar and Sufi mystic.
The evaluated accuracy (u B) reports of various primary frequency and time standards are published online by the International Bureau of Weights and Measures (BIPM).The first in-house accuracy evaluation of NIST-F2 reported a u B of 1.1 × 10 −16. [5]