Zmanim · The moments of the day
What are the zmanim?
The zmanim (the halachic times of day) are the hours of the Jewish day measured not by the clock on your wall but by the sun overhead: first light, sunrise, midday, sunset, and the moment the stars appear. On them hang the Shema, the daily prayers, and the borders of Shabbat.
A day measured by light, not by the clock
Long before wristwatches, the Jewish people learned to read the day from the sky. The Torah's own commandments arrive with times attached — the Shema is said when you lie down and when you rise, the festival begins in the evening — and so the tradition mapped the day by the sun's movement: עלות השחר (dawn), sunrise, midday, sunset, and nightfall. Because the sun rises and sets at a different moment in every city and every season, the zmanim are never fixed clock numbers; they shift with your place on the earth and the date on the calendar.
Where the hours come from
The first chapter of the Mishnah, in tractate Berakhot, opens the entire Oral Torah with a question of time — from when may the evening Shema be recited — and the halachah (Jewish law) has measured the day by these markers ever since, gathered later in the Shulchan Aruch, Orach Chaim. This is not clockmaking; it is a way of living inside a day that belongs to Heaven. Sunrise here is not merely sunrise — it is a doorway to the morning prayer.
What to do
You do not need to memorize a table. Learn the five that carry most of Jewish practice — dawn, sunrise, midday, sunset, nightfall — and notice how the mitzvah (commandment) of the moment sits inside them: the Shema of the morning, the afternoon Minchah, the candles that open Shabbat. Start with one. The next time you say a morning blessing, check what the sun is actually doing. That small habit is where a clock becomes a Jewish day.
Source: Mishnah, Berakhot 1; Shulchan Aruch, Orach Chaim.
When you want those five moments for your own city and date, without doing the arithmetic yourself, Kimá — the Jewish clock: your city's zmanim and candle times — keeps them ready for the day you are actually living.
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