分时度假是指一个人在每年的特定时期对某个度假资产所拥有的使用权。它是一种度假资产的形式。它的产生基于市场供求的两个矛盾：

因此商人创造了分时度假的概念。让顾客可以分享某个度假资产的不同时段。这种分享可以是每年1周(1/52 share)，或者是两年1周(1/104 share)，甚至是每年13周(1/4 share)。某些分时度假产品则以一种信托投资产品的形式销售。比如，将多个度假胜地的资产，分散成小规模的所有权，销售给固定资产的投资人。

A timeshare is a property with a particular form of ownership or use rights. These properties are typically resort condominium units, in which multiple parties hold rights to use the property, and each sharer is allotted a period of time (typically one week and almost always the same time every year) in which they may use the property. Units may be on a partial ownership, lease, or "right to use" basis, in which the sharer holds no claim to ownership of the property.