##
**Today **(8 December 2019)** minus 365 days** will be

8th December 2018

For example

- What is 21 days from Today? (Today plus 21 days)
- What is 12 years before 1 October 2025? (1 October 2025 minus 12 years)
- What is 10 years before Yesterday? (Yesterday minus 10 years)
- What is 30 months before 25 April 2023? (25 April 2023 minus 30 months)
- What is 3 days before Tomorrow? (Tomorrow minus 3 days)
- What is 500 days before 22 January 2024? (22 January 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.