1 between 11 and 12 o'clock P.M.on November 1st, between 9 and 10 o'clock P.M.on December 1st, and between 7 and 8 o'clock P.M.

on January 1st.
The meridian runs through the middle of Chart No.

2 between 11 and 12 o'clock P.M.on January 1st, between 9 and 10 o'clock P.M.on February 1st, and between 7 and 8 o'clock P.M.on March 1st.
The meridian runs through the middle of Chart No.

3 between 11 and 12 o'clock P.M.on March 1st, between 9 and 10 o'clock P.M.on April 1st, and between 7 and 8 o'clock P.M.on May 1st.
The meridian runs through the middle of Chart No.

4 between 11 and 12 o'clock P.M.on May 1st, between 9 and 10 o'clock P.M.on June 1st, and between 7 and 8 o'clock P.M.on July 1st.
The meridian runs through the middle of Chart No.