What day of the week is this date?

Wednesday September 16, 1620

September 16, 1620: Day of the Week

September 16, 1620 was the 260th day of the year 1620 in the Gregorian calendar. There were 106 days remaining until the end of the year. The day of the week was Wednesday.

The day of the week for September 16, 1620 under the old Julian calendar was Saturday. Did you notice the difference with the Gregorian calendar?

If you are trying to learn French then this day of the week in French is mercredi.

A person born on this day will be 395 years old today. If that same person saved a Cent every day starting at age 6, then by now that person has accumulated $1,423.31 today. That is, assuming this person is still alive and kicking.

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Here’s the September 1620 Gregorian calendar. You can also browse the full year monthly 1620 calendar.

September 1620
SunMonTueWedThuFriSat
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Zodiac & Birthstone

Virgo is the zodiac sign of a person born on this day. Sapphire is the modern birthstone for this month. Agate is the mystical birthstone from Tibetan origin that dates back over a thousand years.

September 16, 1620 Historical Event(s)

  • 1620
    The Mayflower starts her voyage to North America

Gregorian versus the old Julian calendar

A note to students, teachers, scholars and anyone else passionate about this topic. As stated in the front page, this website is using the Gregorian calendar as the basis for all “day of the week” computation whether or not the Gregorian calendar is relevant for the date in question (September 16, 1620). Educators should point out the primary reason why Pope Gregory XIII introduced a new calendar system in October 1582. That is, to make the computation for the annual date of Easter more accurate since it is the foundation of the Christian faith.

Even with that purpose in mind, the Gregorian calendar too will become out of sync. It has a known approximation error of about one day for every 7,700 years assuming a constant time interval between vernal equinoxes (which is not true). This is better compared to the one day for every 128 years error of the Julian calendar.

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