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Analysis of Solar Year Length

# Year Annual Sign Duration (days) Cycle Gap
1 1578 Dragon 365 1 25
2 1579 Dragon 365 2 26
3 1580 Dragon 365 3 27
4 1581 Dragon 365 4 28
5 1582 Dragon 366 5 29
6 1583 Dragon 365 1 1
7 1584 Dragon 365 2 2
8 1585 Dragon 365 3 3
9 1586 Dragon 366 4 4
10 1587 Dragon 365 1 5
11 1588 Dragon 365 2 6
12 1589 Dragon 365 3 7

Summary for the period 1578 - 1589

  • 10 common years (365 days)
  • 2 leap years (366 days)

  • 4382 days in total over 12 years