The 1973 calender has been repeated four times - 1979, 1990, 2001, 2007 and the next year to repeat the same calendar is 2018.
2009 calendar repeated at 1998.
The 1971 Gregorian calendar repeated in 1982
The 2009 calendar will repeat in 2015.
The 2013 calendar repeated in 2019 and will next repeat in 2030.
The 2007 calendar last repeated in 2018 and will repeat again in 2029.
2017.
The 2001 calendar repeated in 2007 and 2018. It will next repeat in 2029.
No. Because leap years cause a day to be skipped, the calendar is not repeated every 7 years.
2001 calendar repeats at 2007.
The 2010 calendar last repeated in 2021 and will next repeat in 2027.
2019
The 2009 calendar repeated in 2015. As of 2018, it will next repeat in 2026.