There are many different calendars, you need to specify which one you are referring to.
The 1930 calendar repeated in 1941, 1947, 1958, 1969, 1975, 1986, 1997, 2003, and 2014. It will next repeat in 2025.
The calendar of 1998 repeated in 2009. The 1998 calendar will next repeat in 2015.
As of 2018, the 2002 calendar will next repeat in 2019.
1988 calendar year will repeat in 2016.
The 2010 calendar repeated in 2021 and will next repeat in the year 2027.
1954 Calendar repeats at 1965 .
The 2015 calendar will repeat in 2026.
The 2000 calendar will repeat in 2028.
The 2015 calendar will repeat in 2026.
The calendar of 1998 repeated in 2009. The 1998 calendar will next repeat in 2015.
The 2004 calendar will repeat itself in 2032.
The 2009 calendar will repeat in 2015.
1988 calendar year will repeat in 2016.
As of 2018, the 2002 calendar will next repeat in 2019.
The 2008 calendar will repeat in 2036. Calendar patterns repeat every 28 years because of the cycle of leap years.
The 2013 calendar repeated in 2019 and will next repeat in 2030.
The year 1999 will repeat in 2028.
The 2007 calendar last repeated in 2018 and will repeat again in 2029.