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**6 July 2019**** minus 30 days** will be

6th June 2019

For example

- What is 10 weeks before Today? (Today minus 10 weeks)
- What is 500 months before 30 October 2020? (30 October 2020 minus 500 months)
- What is 60 weeks from Yesterday? (Yesterday plus 60 weeks)
- What is 1 year before 31 July 2025? (31 July 2025 minus 1 year)
- What is 50 weeks from Tomorrow? (Tomorrow plus 50 weeks)
- What is 7 weeks from 27 February 2025? (27 February 2025 plus 7 weeks)

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.