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**6 July 2019**** minus 28 days** will be

8th June 2019

For example

- What is 2 weeks from Today? (Today plus 2 weeks)
- What is 40 years from 16 January 2020? (16 January 2020 plus 40 years)
- What is 800 years before Yesterday? (Yesterday minus 800 years)
- What is 30 months from 29 July 2020? (29 July 2020 plus 30 months)
- What is 5 years from Tomorrow? (Tomorrow plus 5 years)
- What is 600 days before 29 January 2024? (29 January 2024 minus 600 days)

The **Gregorian calendar** is the most widely used internationally civil calendar. It is named after Pope Gregory 13th, who introduced it in **October 1582**.

The Gregorian calendar is a **solar calendar**. A regular Gregorian year consists of 365 days, but as in the Julian calendar, in certain years, a leap year, a **leap day is added to February**

The months of **April, June, September, and November** have **30 days**, while the **rest have 31 days** except for **February**, which has **28 days** in a standard year, and **29 in a leap year**.

For best results, please use dates after 1752 and **verify any data** if you are doing genealogy research.