Yes if your calculations are correct taking into account of leap years otherwise no. 1993 and 2015 do not share the same calendar. It is not always the case that years repeat every 11 years.
The Gregorian calendar repeats every eleven years not fourteen !
Common years usually repeat after 6 or 11 years and leap years usually repeat after 28 years, except between most centuries. However, the calendar completely repeats every 400 years.
1848
It is either every 6th, 11th or 28th year, depending on how adding an extra day in a leap year affects it. Without leap years, a calendar would always repeat every 7th year. If in a 7 year period there is one leap year then one day will be skipped, so the next repeat comes around in 6 years. So if you take from 2013 to 2019 inclusive, 2016 is the only leap year of those 7 years. 2013 and 2019 have identical calendars. The pattern is that a leap year repeats its calendar every 28 years. The year after a leap year repeats in 6 years. Two years after a leap year, which is also two years before a leap year, repeats every 11 years and 3 years after a leap year, which is also one year before a leap year, repeats every 11 years. 2012, a leap year, will repeat in 2040. 2013, a year after a leap year, repeats in 6 years, in 2019. 2014, two years after/before a leap year repeats 11 years later in 2025 and 2015, a year before a leap year will repeat 11 years later in 2026. 2013 and 2019 are repeats, but 2014 and 2020 aren't, because unlike 2014, 2020 is a leap year. If a leap year causes a day to be skipped, then it will come around again in the next cycle, so then you get an 11 year gap. A leap year itself is repeated every 28 years.
The calendar for the year 1987 will repeat exactly in the year 2018. This is because the Gregorian calendar repeats every 28 years. The calendar for any specific year will repeat in the year that is a multiple of 28 years later.
The 1969 calendar will repeat in the year 2045. The calendar repeats every 28 years.
No. 2004 was a leap year, but 2015 is not. It is not always the case that a calendar repeats every 11 years.
Every eleven years. The Gregorian calendar repeats in 11 year cycles.
The Gregorian calendar repeats every eleven years not fourteen !
Common years usually repeat after 6 or 11 years and leap years usually repeat after 28 years, except between most centuries. However, the calendar completely repeats every 400 years.
The 2012 calendar year will repeat in the year 2040. This is because the Gregorian calendar repeats every 28 years. In the year 2012, the days of the week matched up with the days in 2040, meaning the calendar will be the same for both years.
The Gregorian calendar repeats every 400 years. In 56 years of every 400-year period, the 25th of October falls on a Monday. That's an average of 14 years per century.
1848
The calendar repeats every 11 years. Therefore - the next time April 20th will fall on a Saturday is 2024.
April 14 falls on a Saturday in years that are multiples of 7, as the Gregorian calendar repeats every 400 years. For example, in the 21st century, April 14 was on a Saturday in 2001, 2007, 2012, 2018, and will be again in 2029. This pattern will continue in subsequent centuries until the calendar repeats.
The calendar for the year 1964 will repeat in the year 2024. This is because the calendar repeats every 28 years.
The calendar repeats every 28 years due to the cycle of leap years, which occur every 4 years. Therefore, the calendar was the same as 2009 in 1981, and will be the same again in 2037. This pattern is known as the Gregorian calendar cycle.