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is thy mene mote fro the laste meridie of December, the whiche
thou hast purposed; and if hit so be that thou wolt weten thy
mene mote for any day, or for any fraccioun of day, in this
maner thou shalt worche. Make thy rote fro the laste day
of Decembere in the maner as I have taught, and afterward
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behold how many monethis, dayes, and houres ben passid from
the meridie of Decembere, and with that entere with the laste
moneth that is ful passed, and take that thou findest in directe