Central Meridian Transit Timer

Bear in mind that since the rotational rate varies to some degree on the giants, the accuracy will diminish with the number of transits calculated.  This is why the program only allows up to 60 transits maximum.

Date of CM Crossing Month:   Day:   Year: 
Time of CM Crossing (24 hr format)


Rotation Rate (24 hr format)


Number of Transits to Extrapolate 

(60 Max)