Helek
Time measurement in Jewish tradition
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Helek
Time measurement in Jewish tradition
The helek, also spelled chelek (Hebrew חלק, meaning "portion", plural halakim חלקים) is a unit of time used in the calculation of the Molad. Other spellings used are chelak and chelek, both with plural chalakim. An hour is divided into 1080 halakim.
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Texto en inglés Aún no hay artículo en tu idioma: extracto en inglés.
The helek, also spelled chelek (Hebrew חלק, meaning "portion", plural halakim חלקים) is a unit of time used in the calculation of the Molad. Other spellings used are chelak and chelek, both with plural chalakim. An hour is divided into 1080 halakim. A helek is 31/3 seconds or 1/18 minute. The helek derives from a small Babylonian time period called a she, meaning '"barleycorn", itself equal to 1/72 of a Babylonian time degree (1° of celestial rotation). 360 degrees × 72 shes per degree / 24 hours = 1080 shes per hour. The Hebrew calendar defines its mean month to be exactly equal to 29 days 12 hours and 793 halakim, which is 29 days 12 hours 44 minutes and 31/3 seconds. It defines its mean year as exactly 235/19 times this amount, or 365 days, 5 hours, 55 minutes, and 25 and 25/57 seconds (approximately 365.2468222 days).
Texto: Wikipedia en inglés, CC BY-SA 4.0. ·
