##
**Tomorrow **(22 September 2019)** plus 1 day** will be

23rd September 2019

For example

- What is 20 weeks from Today? (Today plus 20 weeks)
- What is 60 days from 23 March 2023? (23 March 2023 plus 60 days)
- What is 365 years before Yesterday? (Yesterday minus 365 years)
- What is 800 years before 20 October 2022? (20 October 2022 minus 800 years)
- What is 30 days before Tomorrow? (Tomorrow minus 30 days)
- What is 9 days before 18 July 2022? (18 July 2022 minus 9 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.