New Year 2023 Calendar - Starts with Sunday, Ends with Sunday 2023 calendar will come 10 times in 21st century
Sunday is a holiday for the common man all over the world. This time the new year 2023 is starting from 1st January, Sunday and ending on 31st December, Sunday too. Sunday being the first day and the last day of the year is a happy coincidence for the common man. The coincidence of such calendar starting and ending on Sunday has not come for the first time in this century. Earlier, a similar calendar had come in 2006 and 2017 as well. This calendar will coincide again in the coming years 2034, 2045, 2051, 2062, 2073, 2079 and 2090. In the 21st century, the coincidence of such calendars is happening a total of 10 times.
In the last century too, such a coincidence had came a total of 11 times in the years 1905, 1911, 1922, 1933, 1939, 1950, 1961, 1967, 1978, 1989 and 1995.
Lucknow Public School Mathematics teacher Atul Saxena has presented such interesting facts related to the calendar on the basis of his self-made code-calendar tables prepared for hundreds of years.
According to him, there are seven types of calendar each for common year and leap year. Thus there are total 14 types of calendars. Recurrence of a calendar in a century is generally expected after 6, 11, 11 years.
According to them the number code of the year 2023 is 622503514624. These 12 digits set is the respective codes for the 12 months from January to December. Adding the code of the month to a date and dividing the sum obtained by 7 gives the remainder that comes, represents the day. The remainder obtained from zero to six represent the days from Sunday to Saturday respectively.
To know the day of January 26, 2023, after adding the month code 6 to 26, then the sum 32 is divided by 7 qives the remainder 4. which indicates that it is a 'Thursday'.
Similarly, to know the day of February 1, 2023, on adding the code of the February month 2 to 1, the sum 3, which is divided by 7, then the quotient will be zero and the remainder be 3, the remainder indicates that it is a 'Wednesday'.
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