In the French revolution calendar the year is divided into 12 months (in each case 30 days). The months are divided in 3 decades to 10 days each:
1st day: Primidi 2nd day: Duodi 3rd day: Tridi 4th day: Quartidi 5th day: Quintidi 6th day: Sextidi 7th day: Septidi 8th day: Octidi 9th day: Nonidi 10th day: Decadi
In the French revolution calendar with is divided into 12 months to 30 days each. At the end of the last monthly (Fructidor) 5 or in the leap year 6 transition days (Sancculottiden) are added. The Sancculottiden was holidays and they were not assigned to other month. They were also not counted as an independent month (13th month). There is therefore in the French revolution calendar no month, which is shorter than 30 days.
In the Egyptian calendar the year is divided into 12 months to ever 30 days. The months are divided in 3 each "large weeks" to 10 days each or in 6 "small weeks" to 5 days each.
Im ägyptischen Kalender werden 3 Jahreszeiten unterschieden:
Achet (Time of the inundation): 1st Thot - 30th Choiak Peret (Time of the sowing): 1st Tybi - 30th Pharmuthi Schemut (Time of the harvest): 1st Pachon - 30th. Mesori
The year is divided in 4 seasons (winters, spring, summer and autumn). The at the beginning of the seasons defined by the equinox and solstice. The seasons turned around on the north and southern hemisphere.
Winter-solstice: 21st/22nd December Spring-equinox: 20th/21st March Summer-solstice: 21st June Autumn-equinox: 22nd/23rd September
Northern hemisphere: Winter beginning begins with the winter-solstice at 21st/22nd December Spring beginning begins with the spring-equinox at 20th/21st March Summer beginning begins with the summer-solstice at 21st June Autumn beginning begins with the autumn-equinox at 22nd/23rd September Southern hemisphere: Winter beginning begins with the summer-solstice at 21st June Spring beginning begins with the autumn-equinox at 22nd/23rd September Summer beginning begins with the winter-solstice at 21st/22nd December Autumn beginning begins with the spring-equinox at 20th/21st March
In the Egyptian calendar with is divided into 12 months to 30 days each. At the end of the last monthly (Mesori) 5 additional days (Epagomenen) are added. The Epagomenen was not assigned to a month and they were also not counted as an independent month (13th month). They were considered as birthdays of the Egyptian Gods. There is therefore in the Egyptian calendar no month, which is shorter than 30 days.
The months April, June, September and November have 30 days each. The month February has 28 days or 29 days (in the leap year) and the remaining months (January, March, May, July, August, October and December) have 31 days each.
The month February has 28 days in a normal year and in a leap year 29 days. The month is despite the additional intercalary day the shortest month in the Gregorian calendar. All other months have between 30 and 31 days.
In the Gregorian calendar every 4 and 400 years are a leap year. If the year is however divisible by 100 without remainder, then this year is not a leap year.
Nothing, because this period did not give it in Rome. The ten days between them did not take place. The 5th to 14th October was painted simply from the calendar, in order to repair the agreement of the seasons with the calendar.
In the year 1577 o.c. he assigned a Roman commission the reform of the Julian calendar, which had decided the council of Trient. On 24th February 1582 o.c. pope Gregory XIII published the results of the commission in the bull "Inter gravissimas" and introduced he the new Gregorian calendar at the same time.
In the year 1833 on the roof of the Greenwich of observatory a red "time ball" was installed. Since 1833 this "time ball" daily always falls at 13. It falls at 13.00 o'clock, because the astronomers were busy with the midday sun with their telescopes. This tradition is maintained today in favor of the tourists.
The month Ramadan is the 9th month in the Islamic calendar and is the Islamic chamfering month. In this period during the day (between dawn and sun fall) the admission of solid and liquid food, drinking water, is to which sexual intercourse and also smoking forbade. Further it is the Muslims in this period does not permit controversy with its fellow men to begin to lie laestern etc.
By this requirement some persons are released: - children under 15 years - old humans - ill humans - humans mentally handicapped - woman in childbed - pregnant woman - satisfying mothers - women in the Mestruation - and similar person's groups
Persons, whose health situation will not improve presumably (e.g. chronically patient or ageweak), are to feed missed day a needy one for everyone in the chamfering month. Other persons, whose health situation will improve (e.g. pregnant woman, satisfying mothers etc.), are to get the missed chamfering days at a later time after.
The definition for the beginning and end of the chamfering monthly Ramadan depends with some Islamic right schools not only on the astronomical computation, but also on the actual sifting of the new moon. The consequence is that not all Muslim begin and terminate the Ramadan exactly at the same time. Geographical and weather-conditioned conditions can cause that the definition varies world-wide seen around one, sometimes by 2 days.
The today valid calendar (Gregorian calendars) was introduced by Pope Gregor XIII. On 24th February 1582 o.c. pope Gregory XIII published the results of the commission in the bull "Inter gravissimas" and introduced he the new Gregorian calendar at the same time.
If the doubly designated time zones are not taken in account, then there are altogether 30 different time zones.
Abbreviation Full name Time zone Y Yankee Time Zone UTC - 12 hours X X-ray Time Zone UTC - 11 hours HAST Hawaii-Aleutian Standard Time UTC - 10 hours W Whiskey Time Zone UTC - 10 hours AKST Alaska Standard Time UTC - 9 hours HNY Heure Normale du Yukon UTC - 9 hours HADT Hawaii-Aleutian Daylight Time UTC - 9 hours V Victor Time Zone UTC - 9 hours AKDT Alaska Daylight Time UTC - 8 hours HAY Heure Avancée du Yukon UTC - 8 hours HNP Heure Normale du Pacifique UTC - 8 hours U Uniform Time Zone UTC - 8 hours PST Pacific Standard Time UTC - 8 hours HAP Heure Avancée du Pacifique UTC - 7 hours HNR Heure Normale des Rocheuses UTC - 7 hours MST Mountain Standard Time UTC - 7 hours PDT Pacific Daylight Time UTC - 7 hours T Tango Time Zone UTC - 7 hours CST Central Standard Time UTC - 6 hours HAR Heure Avancée des Rocheuses UTC - 6 hours HNC Heure Normale du Centre UTC - 6 hours MDT Mountain Daylight Time UTC - 6 hours S Sierra Time Zone UTC - 6 hours CDT Central Daylight Time UTC - 5 hours EST Eastern Standard Time UTC - 5 hours HAC Heure Avancée du Centre UTC - 5 hours HNE Heure Normale de l'Est UTC - 5 hours R Romeo Time Zone UTC - 5 hours AST Atlantic Standard Time UTC - 4 hours EDT Eastern Daylight Time UTC - 4 hours HAE Heure Avancée de l'Est UTC - 4 hours HNA Heure Normale de l'Atlantique UTC - 4 hours Q Quebec Time Zone UTC - 4 hours HNT Heure Normale de Terre-Neuve UTC - 3:30 hours NST Newfoundland Standard Time UTC - 3:30 hours ADT Atlantic Daylight Time UTC - 3 hours HAA Heure Avancée de l'Atlantique UTC - 3 hours P Papa Time Zone UTC - 3 hours HAT Heure Avancée de Terre-Neuve UTC - 2:30 hours NDT Newfoundland Daylight Time UTC - 2:30 hours O Oscar Time Zone UTC - 2 hours N November Time Zone UTC - 1 hour GMT Greenwich Mean Time UTC UTC Coordinated Universal Time UTC WET Western European Time UTC Z Zulu Time Zone UTC A Alpha Time Zone UTC + 1 hour BST British Summer Time UTC + 1 hour CET Central European Time UTC + 1 hour IST Irish Summer Time UTC + 1 hour MEZ Mitteleuropäische Zeit UTC + 1 hour WEDT Western European Daylight Time UTC + 1 hour WEST Western European Summer Time UTC + 1 hour B Bravo Time Zone UTC + 2 hours CEDT Central European Daylight Time UTC + 2 hours CEST Central European Summer Time UTC + 2 hours EET Eastern European Time UTC + 2 hours MESZ Mitteleuropäische Sommerzeit UTC + 2 hours C Charlie Time Zone UTC + 3 hours EEDT Eastern European Daylight Time UTC + 3 hours EEST Eastern European Summer Time UTC + 3 hours D Delta Time Zone UTC + 4 hours E Echo Time Zone UTC + 5 hours F Foxtrot Time Zone UTC + 6 hours CXT Christmas Island Time UTC + 7 hours G Golf Time Zone UTC + 7 hours AWST Australian Western Standard Time UTC + 8 hours H Hotel Time Zone UTC + 8 hours WST Western Standard Time UTC + 8 hours I India Time Zone UTC + 9 hours ACST Australian Central Standard Time UTC + 9:30 hours CST Central Standard Time UTC + 9:30 hours AEST Australian Eastern Standard Time UTC + 10 hours EST Eastern Standard Time UTC + 10 hours K Kilo Time Zone UTC + 10 hours ACDT Australian Central Daylight Time UTC + 10:30 hours CDT Central Daylight Time UTC + 10:30 hours AEDT Australian Eastern Daylight Time UTC + 11 hours EDT Eastern Daylight Time UTC + 11 hours L Lima Time Zone UTC + 11 hours NFT Norfolk (Island) Time UTC + 11:30 hours M Mike Time Zone UTC + 12 hours
The council of Nicaea (325 o.c.) put Easter on first Sunday after the first full moon in spring.
The astronomer and mathematician Carl Friedrich Gauss (1777-1855) set up exactly according to the church regulations the Easter formula. With the help of this formula can be computed, on which date of any yearly Easter sunday falls.
The Gauss' Easter formula: a = Rest of (Year / 19) b = Rest of (Year / 4) c = Rest of (Year / 7) d = Rest of ((19 * a) + M / 30) e = Rest of ((2 * b) + (4 * c) + (6 * d) + N) / 7
Then Easter falls on (d + e + 22) March or (d + e - 9) April.
For the variables M and N the following numbers are to be used: Year M N 1583-1599 22 2 1600-1699 22 2 1700-1799 23 3 1800-1899 23 4 1900-1999 24 5 2000-2099 24 5 2100-2199 24 6 2200-2299 25 0 2300-2399 26 1 2400-2499 25 1
The Easter sunday always moves in the period of 22nd March until 25th April. If the computations result in 26th April, then for it 19th April is to be always used. Likewise at 25th April always 18th April is used, if a is larger than 10 and d equal to 28.
With the Easter Sunday other celebrations are connected, therefore these celebrations are called mobile celebrations.
List of the mobile celebrations: Celebration Easter Sunday Period Shrove Tuesday 47 days before 03rd February - 09th March 04th February - 10th March (in the leap year) Ash Wednesday 46 days before 04th February - 10th March 05th February - 11th March (in the leap year) Maundy Thursday 3 days before 19th March - 22nd April Good Friday 2 days before 20th March - 23rd April Easter Sunday 22nd March - 25th April Easter Monday 1 day after 23rd March - 26th April Ascension Day 39 days after 30th April - 24th May Whit Sunday 49 days after 10th May - 03rd June Whit Monday 50 days after 11th May - 04th June Corpus Christi 60 days after 21st May - 14th June
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