CONVERSION OF MEASURES OF TIME AND ANGLE. 



Arc into time Table 72 



Time into arc Table 73 



Days into decimals of a year and angle Table 74 



Hours, minutes and seconds into decimals of a day .... Table 75 



Decimals of a day into hours, minutes and seconds .... Table 76 



Minutes and seconds into decimals of an hour Table 77 



Mean time at apparent noon Table 78 



Sidereal time into mean solar time Table 79 



Mean solar time into sidereal time Table 80 



20Q 



