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
That Was the Week That Was programme he announced: "That "was" "That Was The Week That Was"...that was." For the edition on Saturday, 23 November 1963, the day after the assassination of United States President John F. Kennedy, "TW3" produced a shortened 20-minute programme with no satire, reflecting on the loss, including a contribution from Dame Sybil Thorndike and the tribute song "In the Summer of His Years" sung by Martin with lyrics by Herbert Kretzmer. This edition was screened on NBC in the US the following day, and the soundtrack was released by Decca Records. A clip, featuring Roy Kinnear, was shown in the David