Reference for Arakhin 43:13

ששים

And although if you, Sir, were to count the days [of actual proclamation] it will be only eighteen,<span class="x" onmousemove="('comment',' In sixty days there are eight weeks, containing together sixteen Mondays and Thursdays. If the first week started with a Monday, the four remaining days would include one Monday and Thursday again, which would together amount to the eighteen days, during which the news of such proclamation is made.');">²</span>

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow