What is quarter?
In finance, a quarter is a three-month period on a company's financial calendar that acts as a basis for periodic financial reports and the paying of dividends. Typically, each quarter begins with the first month of a calendar quarter (January, April, July, October) and ends with the last month of that same calendar quarter.
Traditional calendar quarters
Q1: Jan 01 - Mar 31
Q2: Apr 1 – Jun 30
Q3: July 1 – Sep 30
Q4: Oct 1 – Dec 31