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Analysis of Solar Year Length

(maximum 120 years)
# Year Annual Sign Duration (days) Cycle Gap
1 1986 Snake 366 4 8
2 1987 Snake 365 1 9
3 1988 Snake 365 2 10
4 1989 Snake 365 3 11
5 1990 Snake 366 4 12
6 1991 Snake 365 1 13
7 1992 Snake 365 2 14
8 1993 Snake 365 3 15
9 1994 Snake 366 4 16
10 1995 Snake 365 1 17
11 1996 Snake 365 2 18
12 1997 Snake 365 3 19

Summary for the period 1986 - 1997

  • 9 common years (365 days)
  • 3 leap years (366 days)
  • 4383 days in total over 12 years