13/09/30 00:34:49.32 .net
お前らこれ読めないの？
An almanac (also archaically spelled almanack and almanach) is an annual publication that includes information such as weather forecasts,
farmers' planting dates, tide tables, and tabular information often arranged according to the calendar. Astronomical data and various statistics are found in almanacs, such as the times of the rising and setting of the sun and moon,
eclipses, hours of full tide, stated festivals of churches, and so on.
中高で理科の先生が持ってた理科年鑑とか理科年表だろｗ