In January, seven days: the 3d, 4th, 6th, 13th, 14th, 20th and 21st.
In February, seven days: the 3d, 7th, 9th, 12th, 16th, 17th and 23d.
In March, eight days: the 1st, 2d, 5th, 8th, 12th, 16th, 28th and 29th.
In April, two days: the 24th and 25th.
In May, five days: the 17th, 20th, 27th, 29th and 30th.
In June, eight days: the 1st, 5th, 6th, 9th, 12th, 16th, 18th and 24th.
In July, four days: the 3d, 10th, 17th and 18th.
In August, two days: the 15th and 20th.
In September, two days: the 9th and 16th.
In October, six days: the 4th, 9th, 11th, 17th, 27th and 31st.
In November, four days: the 3d, 9th, 10th and 21st.
In December, two days: the 14th and 21st.