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**23 October 2023**** minus 2 days** will be

21st October 2023

For example

- What is 9 weeks from Today? (Today plus 9 weeks)
- What is 50 years before 20 November 2023? (20 November 2023 minus 50 years)
- What is 9 months before Yesterday? (Yesterday minus 9 months)
- What is 11 weeks from 10 October 2025? (10 October 2025 plus 11 weeks)
- What is 10 months from Tomorrow? (Tomorrow plus 10 months)
- What is 8 years before 18 October 2024? (18 October 2024 minus 8 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.