Jewish Holidays

Sefirat HaOmer

Counting of the Omer

“Time is not a series of eternal recurrences in which nothing ever ultimately changes. Cyclical time is deeply conservative; covenantal time is profoundly revolutionary. Both find their expression in the counting of the Omer.” — Rabbi Jonathan Sacks

When is Sefirat HaOmer 2026?

16 Nisan - 5 Sivan 5786


Begins: Sundown on Thursday 2 April 2026
Ends: Nightfall on Thursday 21 May 2026

Videos on Sefirat HaOmer

The Controversy of the Omer

...many theorists, were the well-off. They were the affluent. They were Kohanim in the Beit HaMikdash. They were in the circle of the court. They lived in urban environments. They mainly lived in Jerusalem. They were part of what we would call today the leisured class. They weren't interested in hard work. They were not working-class people. They were aristocrats....

Read about Sefirat HaOmer

Essays and writings from Rabbi Sacks' extensive body of work.

From the Archives

SHORT THOUGHTS & ACTIVITIES

Omer Calendar

On the second night of Pesach, we begin counting the Omer. For 49 consecutive days, we strive to follow the...

CONTINUING RABBI SACKS' CONVERSATION

Learning for Lag B'Omer

The ritual of counting the Omer takes place over 7 weeks (from 2nd night Pesach until Shavuot). The mitzva involves...

ARTICLES, SHIURIM

Counting Time

...of studying Jewish texts. We are at the moment in the midst of fulfilling one of the commands in this week's sedra of Emor (in the Diaspora), the counting of the Omer: "From the day after the Sabbath, the day you brought the sheaf of the wave offering, count off seven full weeks. Count off fifty days up to the...

ARTICLES, SHIURIM

The Practical Implications of Infinity

What is mysticism? The word conjures up connotations of lofty abstraction, other-worldly meditation, abstruse speculations into the meaning of existence...

CREDO

Without responsibility, liberty becomes lawlessness

Thinking about postwar Iraq, I found myself recalling the story that used to be told when I was an undergraduate....

From Covenant & Conversation

The series of weekly commentary essays on the Torah by Rabbi Sacks

BEHAR • 5774, 5781

Think Long

In last week’s parsha and this there are two quite similar commands, both of which have to do with counting...

EMOR • 5768

Counting Time

The human body contains 100 trillion cells. Within each cell is a nucleus. Within each nucleus is a double copy...