What is the difference between cash book and day book?

Cash Book

A financial journal that contains all cash receipts and payments, including bank deposits and withdrawals. Entries in the cash book are then posted into the general ledger. The cash book is periodically reconciled with the bank statements as an internal method of auditing.

Day Book

A book in which the transactions of each day are recorded as they occur or an account book in which a day's transactions are entered for later transfer to a ledger.

Cash Book records the cash entries only. Its diferent from the cash Account in the sense that it includes some further details such as cash discount and contra.

Sales Day Book: Records all entries for Sales in a detailed form. Such as party name, address, quantity, discount etc. This is done to ficilitate the operations of the business. In the end of the day, the accountant enters a single JV taking effect of entire day.

As you can see the main diference is that Cash book only contain the entries affecting the cash whereas day book records all entries.

DEFINATION OF A SALES DAYBOOK AND A CASHBOOK. Sales day book is an account prepared when a transaction is made with a trade discount.i.e ,[trade discount is the part of price set off by a seller to the buyer for purchasing a bulk of good from the seller].It is also a subsidiary book of account. Cash book is an account prepare to show the the inflow and out flow of cash.it is use to record the cash discount [part of price set off by the seller to the buyer for prompt payment for seller's goods and services.

Cash book is  the book of orgional entry that recording the finacial transaction of cash & bank

Day book is a journal . there are6 journal i.e sales journal , purchase journal and so on. 

daily book contains all transactions per day

journal book contains entries is totals

Cashbook includes cash and bank transactions.Daybook includes all the daily transactions whether cash or credit.

Day book consists of all the entries including JVs relating to the entire day, where as cash book reflects only the cash entries of the day

cash book records only cash transactions while in day book non cash items are also recorded.