Switzerland (Zürich) : public and bank holidays, closure of banks, stock exchanges, school vacations

Catholic or protestant : The First Council of Nicaea (a gathering of bishops in the early days of Christianity) wanted to find a day to commemorate the crucifixion and resurrection of Christ. This commemoration had to be linked to Jewish holiday traditions, since the last supper of Christ was believed to be a Jewish Passover meal. But the Jewish calendar is based on lunar and solar cycles, so the Easter celebration had to follow the same calendar.

Catholic or protestant : In the year 325, the Council of Nicée determined a date fo Easter. Full Moon would fall the 14th day of a moon month (1). Easter would be marked by the dominical letter(2)and the epactus(3). With the establishment of the equinox ne variatur on March 21, algorithms where elaborated to attribuate a date for Easter whatever the year.
Time between two consecutive new moons: 20 days 12 hours 44 minutes 2.8 - Gives a letter code for the year's calendar Age of the moon on January 1st, minus one unity, 0 being the new moon's age.

Culture : Literally means the six o'clock bell toll . Celebrations that end by the burning of the Bloogg effigy at 6pm.

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Sports events : Www.zurichmarathon.ch 2023 edition confirmed

Secular holiday : Chicago, Saturday May 1st, 1886: 350,000 workers go on strike to call for an 8-hour working day. Industries are paralyzed nationwide. On Monday, as demonstrations go on, the police open fire. On Tuesday, Chicago is again on strike. Following a bomb launched against them, the police shoot again. 12 dead, of which 7 policemen. 8 anarchists will be condemned and executed. In 1889, the Socialist International Movement met in Paris and declared this day international workers' day . The Soviets will follow suit, just as the Nazis. In France, under the Vichy regime (1940-1944), the celebration is renamed Labour Day .

Culture : Www.pinkapple.ch lasts 2 weeks - in Zurich 2023 edition confirmed

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Catholic or protestant : Forty days after Easter, always on a Thursday. After his resurrection, Jesus appeared before his disciples and gathered them to tell them to baptize and spread the good word. He then ascended to heaven on a cloud.

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Catholic or protestant : Seven weeks after Easter Monday -Marking the day the Holy Spirit entered the disciples left behind and the beginning of their ministry.

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Sports events : Lasts 1 week - www.tourdesuisse.ch/ 2023 edition confirmed

Culture : The Albanifest , the largest annual festival in a historic town in Switzerland, is named after St Alban, one of the city's four saints, is held here, over three days. Although a recent creation, the festival celebrates the granting of a charter to the town in 1264 by Rudolf of Habsburgh.

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Secular holiday : Instaured at the end of the XIX century. The date refers to an agreement made at the beginning of August 1291 between Uri, Schwyz and Nidwalden. Traditional observance includes bonfires on the the mountains and celebrations in the communities, occasions for patriotic speeches. Modern observance, fostered by the Tourist offices, include fireworks.

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Secular holiday : Knabenschiessen - The prize-shooting for 12 to 16 year old is one of the oldest festivals in Zurich. A marksman king or queen is chosen.