Thursday May 10, 1066
A date scroll with Latin text from “The Extremes of Good and Evil” by Cicero, written in 45 BC.

May 10, 1066: Day of the Week

May 10, 1066 was the 130th day of the year 1066 in the Gregorian calendar. There were 235 days remaining until the end of the year. The day of the week was Thursday.

The day of the week for May 10, 1066 under the old Julian calendar was Wednesday. 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 jeudi.

A person born on this day will be 959 years old today. If that same person saved a Penny every day starting at age 5, then by now that person has accumulated $3,484.99 today.

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Here’s the May 1066 Gregorian calendar. You can also browse the full year monthly 1066 calendar.

May 1066
SunMonTueWedThuFriSat
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13141516171819
20212223242526
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Zodiac & Birthstone

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

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May 10, 1066 by the Numbers

  • 350,325 days since May 10, 1066
  • 959 years, 1 month, and 26 days ago
  • 11,509 months since then
  • May 10 is in the 19th week of the year 1066 (ISO 8601)
  • 50,046 weeks ago
  • The year 1066 is not a leap year

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 (May 10, 1066). 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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