The calendar repeats its pattern every 11 years, therefore the 1989 calendar repeated in 2000, and the next time will be next year (2011)
you can use a 1989 calendar again on 2017 .
Set the date and time on your PC. That will let you pull up many different calendars.
1989 was the Year of the Snake.
According to both the Answers article on Jilian calendar and the article regarding the Gregorian calendar; the Jilian calendar did not do a very good job of calculating leap years. It takes the Earth...