Both 1999 and 2010 calendars start on Friday and end on Friday.
The year 1999 will repeat in 2028.
1999 was the last year before 2010 with the same calendar.
In 2021.
The 1999 calendar has the same connection between dates and days of the week as the 2010, 2021 and 2027 calendars.
The 2010 Gregorian calendar (common year starting on a Friday) will next be able to be used in 2021.
The 1954 calendar repeated in 1965, 1971, 1982, 1993, 1999, and 2010. It will next repeat in 2021.
1954 Calendar repeats at 1965 .
The years in the 1900s with the same calendar as 2010 were: 1909, 1915, 1926, 1937, 1943, 1954, 1965, 1971, 1982, 1993 and 1999.
1965 was a common year starting on a Friday. As of 2018, the next time you can use a 1965 calendar is in 2021.
2010 is a common year starting on a Friday. The next such year will be 2021.
2010 is a common year starting on Friday - some others identical to 2010 are 1971, 1982 and 1993.
The 1971 Gregorian calendar repeated in 1982