Of the Resolutions and Recommendations adopted by Commissions and Sub-Commissions only those of wide interest and appeal are repeated here; the others may be found in the Reports of Meetings to which reference is made. The numbers of the Resolutions, where given, are those used in the Reports.

Commission 4see page 167. (See also Commission 31.)

2. The provisional value of ephemeris time that is obtained by comparing the Moon’s mean longitude, given by observations, referred to the equinox of FK 4, with the positions tabulated in the Improved Lunar Ephemeris is denoted by E.T.O. The difference E.T.O. U.T.2 is denoted by Δ T0.