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**5 May 2019**** minus 150 days** will be

6th December 2018

For example

- What is 14 months before Today? (Today minus 14 months)
- What is 21 days from 8 February 2023? (8 February 2023 plus 21 days)
- What is 2 days from Yesterday? (Yesterday plus 2 days)
- What is 500 days from 22 August 2025? (22 August 2025 plus 500 days)
- What is 180 months before Tomorrow? (Tomorrow minus 180 months)
- What is 600 days before 23 July 2021? (23 July 2021 minus 600 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.