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**Today **(23 August 2019)** minus 2 days** will be

21st August 2019

For example

- What is 21 weeks before Today? (Today minus 21 weeks)
- What is 700 years before 15 January 2023? (15 January 2023 minus 700 years)
- What is 500 months before Yesterday? (Yesterday minus 500 months)
- What is 50 weeks before 12 March 2023? (12 March 2023 minus 50 weeks)
- What is 40 months before Tomorrow? (Tomorrow minus 40 months)
- What is 500 days before 16 April 2024? (16 April 2024 minus 500 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.