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A moment is a medieval unit of time equal to 1.5 minutes or 1/40 of an hour . In modern English it usually refers to "a short period of time" but doesn't specifically say how short. Rega In the Hebrew calendar, a moment (rega) is 1/76 of a part (chelek), or 5/114 of a second in standard units. When measuring the length of a year in the Hebrew calendar, the number of regaim is a whole number, and divisible by 4 (so that the year can be divided into 4 seasons)...

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