The letter ZAYIN has a numerical value of seven, alluding to the seven days in which the world was created.
As the number seven, ZAYIN signifies the seven days of the week, especially the seventh, which is Shabbat.
ZAYIN symbolises the seventh day of creation.
The number seven signifies the seven weeks of the Counting of the Omer. The counting of grain starts on the second day of Pesach, lasting for seven weeks, to mark the period in which the harvest fruits and offerings were brought to the Temple.
Tishrei, as the seventh month of the Jewish calendar, is one of the most significant months of the year, in that the holiest of holy days fall within it. Rosh Hashanah (New Year), Yom Kippur (Day of Atonement), Sukkot (Tabernacles) and Simchat Torah (Rejoicing of the Torah) all occur within Tishrei. Tishrei means ‘to look’, highlighting that this is a time of self-assessment.