Day (redirected from SI day)

DAY. A division of time. It is natural, and then it consists of twenty-four hours, or the space of time which elapses while the earth makes a complete revolution on its axis; or artificial, which contains the time, from the rising until the setting of the sun, and a short time before rising and after setting. Vide Night; and Co. Lit. 135, a.
     2. Days are sometimes calculated exclusively, as when an act required that an appeal should be made within twenty days after a decision. 3 Penna. 200; 3 B. & A. 581; 15 Serg. & Rawle, 43. In general, if a thing is to be done within such a time after such a fact, the day of the fact shall be taken inclusively. Hob. 139; Doug. 463; 3 T. R. 623; Com. Dig. Temps, A; 3 East, 407.
     3. The law, generally, rejects fractions of days, but in some cases it takes notice of such parts. 2 B. & A. 586. Vide Date.
     4. By the custom of some places, the word day's is understood to be working days, and not including Sundays. 3 Espin. N. P. C. 121. Vide, generally, 2 Chit. Bl. 141, note 3; 1 Chit. Pr. 774, 775; 3 Chit. Pr. 110; Lill. Reg. h. t; 1 Rop. Leg. 518; 15 Vin. Ab. 554; Dig. 33, 1, 2; Dig. 50, 16, 2, 1; Id. 2, 12, 8; and articles Hour; Month; Year.