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**14 August 2022**** minus 20 months** will be

14th December 2020

For example

- What is 60 years from Today? (Today plus 60 years)
- What is 2 days before 13 January 2023? (13 January 2023 minus 2 days)
- What is 30 years from Yesterday? (Yesterday plus 30 years)
- What is 9 days before 21 March 2023? (21 March 2023 minus 9 days)
- What is 180 days before Tomorrow? (Tomorrow minus 180 days)
- What is 14 years before 3 February 2021? (3 February 2021 minus 14 years)

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.