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What is "Halachic Time" or an "Halachic Hour"?

by Rabbi Naftali Silberberg

  

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In Halachah, time is based on Sha'ot Zmaniyot, “proportional hours” that depend on the season. Halachic hours are not necessarily sixty minutes; instead we take the day, from sunrise until sunset1 , and divide it into twelve equal parts.

Each part constitutes one Halachic hour. In the summer this can be up to 75 minutes and in the winter it can be as little as 45 minutes.

See here for Halachic times for any day in any location.

Footnotes

  • 1. The above follows the ruling of Rabbi Schneur Zalman of Liadi, the “Alter Rebbe,” as well as Rabbi Elijah of Vilna, the “Vilna Gaon.” According to the Halachic authority Magen Avraham, the day begins at dawn and concludes with the appearance of stars in the night sky, making each “halachic hour” slightly longer.

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RELATED CATEGORIES

Miscellaneous » The Jewish Calendar
Mitzvot » Prayer » Laws and Customs

Halachah
Jewish Law. All halachah which is applicable today is found in the Code of Jewish Law.
Halachic
Pertaining to Jewish Law.