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Courteous Reader,
TO give you at once a short View of all these Epocha's, which (after our general Doctrine of Time) we have treated of in this Epitome; and to shew you the most compendious Way of making an exact Connecti∣on betwixt the several Epoch's we have exhibited in a small Table the Difference betwixt the Ju∣lian Period and all the other Epocha's. As, for Example; If the Year of Christ 1664, and the fifth Month of the Year, commonly called the Month of May, be given to find out the Syn∣chronisms of these Epocha's; you must know the Year of the Julian Period: If therefore you add out of the above-mentioned Table 4713 Years to the before-said Sum, the Product will shew you the Year of the Julian Period, to wit, ••377, which is correspondent to the known Year of Christ. On the other hand, If you subtract from the same Year the Sum you find opposite to each Epocha, this shews you the true Method of making a just Connection betwixt these Epocha's and the known Year of Christ. It is further to be observed, That where you find an Asterisk or*, affixed to any of these Epocha's, it indigitates, that the usual Computation of the Years of this Epocha is not congruous to the Ju∣lian Period; and that therefore the Connection betwixt them is to be look'd for in our Compu∣tistica.