The British Association for the Advancement of Science (BAAS) in 1862 stated that "All men of science are agreed to use the second of mean solar time as the unit of time."
英國科學促進協會（英语：British Association for the Advancement of Science）（BAAS）在1862年表示「所有科學界的人都同意用平均太陽日計算的秒為時間單位。