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
Thought for the Day Thought for the Day Thought for the Day is a daily scripted slot on the "Today" programme on BBC Radio 4 offering "reflections from a faith perspective on issues and people in the news", broadcast at around 7:45 each Monday to Saturday morning. Nowadays lasting 2 minutes and 45 seconds, it is a successor to the more substantial five-minute religious sequence "Ten to Eight" (1965–1970) and, before that, "Lift Up Your Hearts", which was first broadcast five mornings a week on the BBC Home Service from December 1939, initially at 7:30, though soon moved to 7:47. The programme is broadcast