ד וטול איגרתא חדא וכתוב לאחנא בני גלוותא בבבל ולאחנא דבמדי ולשאר כל גלוותא דישראל שלומכון יסגא לעלם מהודעין אנחנא לכון דגוזליא רכיכין ואימריא ערקין וזמנא דאביבא לא מטא ושפרא מילתא באנפאי ובאנפי חביריי ואוסיפית על שתא דא יומין תלתין דילמא בתר דעברוהו:
4 or that of the fruit-trees;<span class="x" onmousemove="('comment',' Which should, as a rule, ripen close before 'Azereth (Pentecost), the time when the Pilgrims bring the first fruits to Jerusalem (Num. XXVIII, 26). If it happens that the fruit is unripe, the year may be intercalated so as to prevent a special journey. ');"><sup>8</sup></span> or on account of the lateness of the <i>Tekufah</i><span class="x" onmousemove="('comment',' Lit. 'cycle', 'season'. The Jewish Calendar, while being lunar, takes cognisance of the solar system to which it is adjusted at the end of every cycle of nineteen years. For ritual purposes the four Tekufoth seasons, are calculated according to the solar system, each being equal to one fourth of 365 days, viz. 91 days, 71/2 hours. Tekufah of Nisan (Vernal equinox) begins March 21; Tekufah of Tammuz (Summer Solstice), June 21; Tekufah of Tishri (Autumnal equinox), September 23; Tekufah of Tebeth (Winter Solstice), December 22. Should the Tekufah of Tammuz extend till after the Succoth Festival, or the Tekufah of Tebeth till the sixteenth of Nisan, the year would be intercalated, so that the festivals might fall in their due seasons, viz., Passover in Spring, Succoth in Autumn. ');"><sup>9</sup></span>