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**20 October 2018**** minus 70 days** will be

11th August 2018

For example

- What is 14 months from Today? (Today plus 14 months)
- What is 7 years before 27 April 2023? (27 April 2023 minus 7 years)
- What is 6 days from Yesterday? (Yesterday plus 6 days)
- What is 15 months before 22 June 2023? (22 June 2023 minus 15 months)
- What is 3 years from Tomorrow? (Tomorrow plus 3 years)
- What is 800 days before 16 February 2021? (16 February 2021 minus 800 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.