The seven-day division of time, marked off by the Sabbath ( Gen. 2:1–3 ). Seventh-day Adventists find evidence for the continuity of the week in the historical fact of the use of the week through the centuries (both before and after Christ’s time) by the widely scattered Jews, who could not have simultaneously lost count of the days. Also, there was an independent check in known alignment with the biblical week in the pagan astrological week used for many centuries, beginning with Hellenistic times. ( See Sunday ; see also SB , Nos . 1762–1772 ; SDADic : “Week.” ) Calendar revision (1582) did not interrupt the week (see SB , No. 362 ).