Determination of the day of the week possible to do all the calculations in one's head with a little practice). None of the methods given here perform range checks, so unreasonable dates will produce erroneous results. Every seventh day in a month has the same name as the previous: "Corresponding months" are those months within the calendar year that start on the same day of the week. For example, September and December correspond, because September 1 falls on the same day as December 1. Months can only correspond if the number of days between their first days is divisible by 7, or in other words, if their
Labor Day in Spain rights by governments all over the world. Finally, in 1889, May 1 was declared International Workers' Day by the Socialist Workers Congress of the Second International. at a conference held in Paris That same year Spain celebrated its very first Día del Trabajador, which was adopted through two different routes by the Spanish labor movement: socialists throwing a ‘labor party’ in an attempt to support that sector of the population while avoiding violence, and anarchists calling a revolutionary strike. For the first Día del Trabajador, the socialists were worried that there would not be enough participation on the signaled May