# What is the difference between "[interval] to Date" and "This [interval]" ?

A key part of understanding your data is understanding the date ranges that it's being pulled.

The most common question we get about date ranges is " what's the difference between [interval] to Date and This [interval]?" That includes Month to Date vs. This Month, Quarter to Date vs. This Quarter, Year to Date vs. This Year, and Week to Date vs. This Week. We have a similar strategy for pulling all of these date ranges.

In order to correctly interpret the data, you must understand when it starts and stops.  Here are the answers to those tricky This [interval] vs. [Interval] to Date questions.

### Week to Date vs. This Week

(depends on user space settings)

 Week to date Sunday/Monday today This Week first day of current week last day of current week
Example: Week to Date = Sunday, June 11 - today, This Week = Sunday, June 11 - Saturday, June 17

### Month to Date vs. This Month

 Month to date first day of current month today This Month first day of current month last day of current month
Example: Month to Date = June 1, 2017 - today, This Month = June 1, 2017 - June 30, 2017

### Quarter to Date vs. This Quarter

 Quarter to date first day of current quarter today This Quarter first day of current quarter last day of current quarter
 Example: Quarter to Date = January 1, 2017 - today, This Quarter = January 1, 2017 - March 31, 2017

### Year to Date vs. This Year

 Year to date first day of current year today This Year first day of this year last day of this year
Example: Year to Date = January 1, 2017 - today, This Year = January 1, 2017 - December 31, 2017