DAY BOOK, mer. law. An account book, in which merchants and others make entries of their daily transactions. This is generally a book of original entries, and as such may be given in evidence to prove the sale and delivery, of merchandise or of work done.

DAY RULE, or DAY WRIT, English practice. A rule or order of the court, by which a prisoner on civil process, and not committed, is enabled, in term time, to go out of the prison, and its rule or bounds; a prisoner is enabled to quit the prison, for more or less time, by three kinds of rules, namely: 1. The day-rule. 2. The term-rule; and 3. The rules. See 9 East, R. 151.

DAYS IN BANK, Eng. practice. Days of appearance in the court of common pleas, usually called bancum. They are at the distance of about a week from each other, and are regulated by some festival of the church. 8 Bl. Com. 277.

DAYS OF GRACE. Certain days after the time limited by the bill or note, which the acceptor or drawer has a right to demand for payment of the bill or note; these days were so called because they were formerly gratuitously allowed, but now, by the custom of merchants, sanctioned by decisions of courts of justice, they are demandable of right. 6 Watts & Serg. 179. The number of these in the United States is generally three. - Chitty on Bills, h. t. But where the established usage of the where the instrument is payable, or of the bank at which it is payable, or deposited for collection, be to make the demand on the fourth or other day, the parties to the note will be bound by such usage. 5 How. U. S. Rep. 317; 1 Smith, Lead. Cas. 417. When the last day of grace happens on the 4th of July; 2 Caines Cas. in Err. 195; or on Sunday; 2 Caines' R. 343; 7 Wend. 460; the demand must be made on the day previous. 13 John. 470; 7 Wend. 460; 12 Mass. 89; 6 Pick. 80; 2 Caines, 343: 2 McCord, 436. But see 2 Conn. 69. See 20 Wend. 205; 1 Metc. R. 43; 2 Cain. Cas. 195; 7 How. Miss. R. 129; 4 J. J. Marsh. 332.

2. In Louisiana, the days of grace are no obstacle to a set off, the bill being due, for this purpose before the expiration of those days. Louis. Code, art. 2206.

3. In France all days of grace, of favor, of usage, or of local custom, for thne payment of bills of exchange, are abolished. Code de Com. art. 185. See 8 Verm. 833; 2 Port. 286; 1 Conn. 329; 1 Pick. 401; 2 Pick. 125; 3 Pick. 414; 1 N. & M. 83.

DAYS OF THE WEEK. These are Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday. See Week.

2. The court will take judicial notice of the days of the week - for example, when a writ of inquiry was stated in the pleadings to have been executed on the fifteenth of June, and, upon an examination, it was found to be Sunday, the proceeding was held to be defective. Forteso. 373; S. C. Str. 387.