pandas formalizes the concept of an interval of time using a Period object. A Period allows you to specify durations based on frequencies such as daily, weekly, monthly, annually, quarterly, and so on, and it will provide a specific start and end Timestamp representing the specific bounded interval of time.
A Period is created using a timestamp and a frequency, where the timestamp represents the anchor used as a point of reference and the frequency is the duration of time. To demonstrate, the following creates a period representing one month and which is anchored in August 2014:
A Period has start_time ...
