Determination of the day of the week ISO 8601. The day designated with 7 may also be counted as "0", by applying the arithmetic modulo 7, which calculates the remainder of a number after division by 7. Thus, the number 7 is treated as 0, 8 as 1, 9 as 2, 18 as 4 and so on. If Sunday is counted as day 1, then 7 days later (i.e. day 8) is also a Sunday, and day 18 is the same as day 4, which is a Wednesday since this falls three days after Sunday. The basic approach of nearly all of the methods to calculate the
First Day of the Easter Rising First Day of the Easter Rising The first day of the Easter Rising, Monday, April 24, 1916, saw some 1,200 volunteer soldiers of the Irish Volunteers take over positions in the centre of Dublin, launching the week-long revolution known as the Easter Rising. The Volunteers' Dublin division was organized into four battalions. As a result of Eoin MacNeill's countermanding order all of them saw a far smaller turnout than originally planned. The 1st battalion under Commandant Ned Daly mustered at Blackhall Street, numbering about 250 men. They were to occupy the Four Courts and areas to the northwest to guard