Some have calculated that Christ's ascension took place on the first day of the week. And there can be no doubt that the descent of the Holy Ghost at Pentecost was on that day ( Acts 2:1 ). Thus Christ appears as instituting a new day to be observed by his people as the Sabbath, a day to be henceforth known amongst them as the "Lord's day." The observance of this "Lord's day" as the Sabbath was the general custom of the primitive churches, and must have had apostolic sanction (Compare Acts 20:3-7 ; 1 Corinthians 16:1 1 Corinthians 16:2 ) and authority, and so the sanction and authority of Jesus Christ.
The first task of the scientists was to find people who were willing to be infected by pathogens that could make them very sick. They found them in the followers of the Seventh-day Adventist faith. Although willing to serve their country when drafted, the Adventists refused to bear arms. As a result many of them became medics. Now the U.S. was offering recruits an opportunity to help in a different manner: to volunteer for biological tests as a way of satisfying their military obligations. When contacted in late 1954, the Adventist hierarchy readily agreed to this plan. For Camp Detrick scientists, church members were a model test population, since most of them were in excellent health and they neither drank, smoked, nor used caffeine. From the perspective of the volunteers, the tests gave them a way to fulfill their patriotic duty while remaining true to their beliefs.[54]
For that reason, on the Sabbath, there can be no secular labor, including any household tasks. Members are asked to “greet the Sabbath with the tranquility of mind.” Worship services are held on the Sabbath for the church for both worship and fellowship. Other rules for the Sabbath include avoiding weddings and funerals; however, the church does allow for seeking emergency healthcare on the Sabbath. Families are also encouraged to fellowship together over a meal. 

The Old Testament. The observance of the Sabbath is central to Jewish life. Of the eight holy days (Shabbat, the first and seventh days of Pesach, Shavout, Rosh Hashanah, Yom Kippur, and the first and eighth days of Succot) proscribed in the Torah, only the Sabbath is included in the Decalogue. Though not holier than other holy days like Yom Kippur or Rosh Hashanah, the Sabbath is given special attention because of its frequency. Yet despite any significance that accrues on the basis of its frequency or inclusion in the Decalogue, its importance rests ultimately on its symbolic representation of the order of creation. For, according to the Genesis narrative, God himself rested on the seventh day, thus making it sacred ( Gen 2:1-2 ). For the pious Jew, keeping the Sabbath holy is a mitzvah, or duty, before God. Indeed, The Old Testament takes Sabbath observance so seriously that profaning it results in the death penalty ( Exod 31:14 ; 35:2 ; Num 15:32 ).
Adventists abstain from secular work on Saturday. They will also usually refrain from purely secular forms of recreation, such as competitive sport and watching non-religious programs on television. However, nature walks, family-oriented activities, charitable work and other activities that are compassionate in nature are encouraged. Saturday afternoon activities vary widely depending on the cultural, ethnic and social background. In some churches, members and visitors will participate in a fellowship (or "potluck") lunch and AYS (Adventist Youth Service).
Houston generally receives ample rainfall, averaging about 49.8 in (1,260 mm) annually based on records between 1981 and 2010. Many parts of the city have a high risk of localized flooding due to flat topography,[81] ubiquitous low-permeability clay-silt prairie soils,[82] and inadequate infrastructure.[81] During the mid-2010s, Greater Houston experienced consecutive major flood events in 2015 ("Memorial Day"),[83] 2016 ("Tax Day"),[84] and 2017 (Hurricane Harvey).[85] Overall, there have been more casualties and property loss from floods in Houston than in any other locality in the United States.[86] The majority of rainfall occurs between April and October (the wet season of Southeast Texas), when the moisture from the Gulf of Mexico evaporates extensively over the city.[86][83]
Shabbat is a widely noted hallmark of Jewish peoples. Subbotniks (literally, Sabbatarians) are a Russian sect, categorized as either Jews or Judaizing Christians, that became particularly branded by strict Shabbat observance; (Hungarian-born radical Reform leader Ignaz Einhorn even shifted his congregation's Shabbat worship to Sundays.) Several weekly Shabbats per year are designated as Special Sabbaths, such as Shabbat haGadol, prior to Pesach (literally, "the High Sabbath", but not to be confused with other High Sabbaths); and Shabbat Teshuvah, prior to Yom Kippur ("Repentance Sabbath").
According to a 2014 study by the Pew Research Center, 73% of the population of the Houston area identified themselves as Christians, about 50% of whom claimed Protestant affiliations and about 19% claimed Roman Catholic affiliations. Nationwide, about 71% of respondents identified as Christians. About 20% of Houston-area residents claimed no religious affiliation, compared to about 23% nationwide.[133] The same study says that area residents identifying with other religions (including Judaism, Buddhism, Islam, and Hinduism) collectively made up about 7% of the area population.[133]

Puritan Sabbatarianism or Reformed Sabbatarianism is strict observance of Sabbath in Christianity that is typically characterized by its avoidance of recreational activities. "Puritan Sabbath", expressed in the Westminster Confession of Faith, is often contrasted with "Continental Sabbath": the latter follows the Continental Reformed confessions such as the Heidelberg Catechism, which emphasize rest and worship on Lord's Day, but do not forbid recreational activities.


^ Emil G. Hirsch, Joseph Jacobs, Executive Committee of the Editorial Board., Julius H. Greenstone. (1905). "Sabbath". Jewish Encyclopaedia : a descr. record of the history, religion, literature, and customs of the Jewish people from the earliest times to the present day. New York : Funk & Wagnall, p. 587. Retrieved 13 May 2016. JewishEncyclopedia.com
The Seventh-day Adventist Church[a] is a Protestant Christian denomination[3] which is distinguished by its observance of Saturday,[4] the seventh day of the week in Christian and Jewish calendars, as the Sabbath, and its emphasis on the imminent Second Coming (advent) of Jesus Christ. The denomination grew out of the Millerite movement in the United States during the mid-19th century and it was formally established in 1863.[5] Among its founders was Ellen G. White, whose extensive writings are still held in high regard by the church.[6]
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