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・ Helebridge
・ Helechawa, Kentucky
・ Helechosa de los Montes
・ Heleen Hage
・ Heleen Jaques
・ Heleen Mees
・ Heleen Sancisi Weerdenburg
・ Heleen van Royen
・ Helegiu
・ Helegiu River
・ Heleia
・ Heleieth Saffioti
・ Heleioporus
・ Heleioporus inornatus
・ Heleiosa
Helek
・ Helele
・ Helem
・ Helema Williams
・ Helemsi
・ Helen
・ Helen & Douglas House
・ Helen (actress)
・ Helen (album)
・ Helen (film)
・ Helen (given name)
・ Helen (novel)
・ Helen (play)
・ Helen (unit)
・ Helen A. Berger


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Helek : ウィキペディア英語版
Helek

The helek (Hebrew חלק, meaning "portion", plural ''halakim'' חלקים) is a unit of time used in the calculation of the Hebrew calendar. The hour is divided into 1080 halakim. A helek is 3⅓ 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 x 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 3⅓ seconds. It defines its mean year as exactly 235/19 times this amount.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Helek」の詳細全文を読む



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