TVIII.K i'. SUM UK\I < o\\ KUMOSS. 



Sidereal into mean solar time: To be subtracted from a sidereal time interval: 

 Argun unt hours and minutes of sidereal interval. 



Mean Solar intosidereal time: To beaddedtoa mean time interval: Argumenthours 

 and minutes of mean time interval. 



I pjx-r culmination of Polaris: Amount to be subtracted from the Greenwich mean 

 time of up|MT culmination of Polaris, or of elongation, to obtain the local mean time of 

 upper culmination, or of elongation: Argument longitude west from Greenwich. 



The ;ifw>ve table is an abridged mean of tuo tables given in the American 

 eris and Nautical Almanac for similar conversion^: reductions invoh ing a rvline- 

 ment exceeding 0.8 seconds must be made from the more elaborate tables. 



207 



