Determination of the day of the week *104804 + 4, "n" = 104804 and "k" = 4 which implies that August 13, 2009 is the fourth day into the 104805th week since 01/01/0001. 13 August 2009 is Thursday; therefore, the first day of the week must be Monday, and it is concluded that the first day 01/01/0001 of the calendar is "Monday". Based on this, the remainder of the ratio "Base/7", defined above as "k", decides what day of the week it is. If "k" = 0, it's Monday, "k" = 1, it's Tuesday, etc. Determination of the day of the week The determination of the day
IAU 100 km European Championships IAU 100 km European Championships The IAU 100 km European Championships is an annual, ultrarunning competition over 100 kilometres for European athletes. It is organised by the International Association of Ultrarunners (IAU) and was first held in 1992 – five years after the launched of the World Championships for the distance. The competition features both an individual and national team component. The team race is decided by aggregated the three best times set by a nation's athletes. In its 22nd edition in 2013, a total of 94 athletes representing 19 countries took part in the competition. Winschoten in the Netherlands