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**16 October 2018**** minus 120 days** will be

18th June 2018

For example

- What is 12 years from Today? (Today plus 12 years)
- What is 50 years before 9 August 2023? (9 August 2023 minus 50 years)
- What is 28 weeks before Yesterday? (Yesterday minus 28 weeks)
- What is 900 weeks from 20 September 2025? (20 September 2025 plus 900 weeks)
- What is 50 weeks from Tomorrow? (Tomorrow plus 50 weeks)
- What is 60 years before 2 October 2019? (2 October 2019 minus 60 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.