Scripture, Letters and Calendars

Numbers in Jewish and Biblical Texts

Counted periods, letter values and numerical motifs in Hebrew scripture and its commentary.

Counting the Omer

How the forty-nine day count from the second day of Passover to Shavuot works, where it comes from in Leviticus, and the customs that surround the period.

4 min read

Forty Days and Forty Years in Scripture

A survey of the flood, Sinai, wilderness and prophetic passages that use the number forty, and what scholars say the figure may signal about time and testing.

4 min read

Gematria and Hebrew Letter Values

How the Hebrew alphabet doubles as a number system, and how gematria links words of equal value in rabbinic and later commentary, with worked examples.

4 min read

Jubilee and Sabbatical Years

How Leviticus sets a seven-year cycle of rest for the land and a fiftieth-year jubilee of release, and how later Jewish and Christian traditions treated both.

5 min read

Seven Days of Creation and the Sabbath

The creation week in Genesis 1, the two reasons the Bible gives for Sabbath rest, and how a seven-day rhythm shaped Jewish observance from antiquity to today.

4 min read

The Ten Sefirot in Kabbalah

What the ten sefirot are in Jewish mysticism, how medieval Kabbalists arranged them, and why the number ten mattered to the early texts that introduced them.

4 min read

Related topics

More in scripture, letters and calendars