Months

Solar cycle

Phase

Year

March

(Equinox)

June

(Solstice)

September

(Equinox)

December

(Solstice)

C22

Min

1985

9, 13, 21, 22, 25

3, 14, 16, 18, 19

2, 3, 4, 5, 29

8, 9, 21, 23, 29

Max

1990

4, 10, 16, 17, 31

16, 17, 20, 21, 30

2, 3, 27, 29, 30

10, 11, 19, 21, 29