Tuesday October 31, 1200
A date scroll with Latin text from โ€œThe Extremes of Good and Evilโ€ by Cicero, written in 45 BC.

October 31, 1200: Day of the Week

October 31, 1200 was the 305th day of the year 1200 in the Gregorian calendar. There were 61 days remaining until the end of the year. The day of the week was Tuesday.

The day of the week for October 31, 1200 under the old Julian calendar was Tuesday. Did you notice the similarity with the Gregorian calendar?

If you are trying to learn Japanese then this day of the week in Japanese is Kayōbi.

A person born on this day will be 824 years old today. If that same person saved a Quarter every day starting at age 4, then by now that person has accumulated $74,919.75 today.

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Here’s the October 1200 Gregorian calendar. You can also browse the full year monthly 1200 calendar.

October 1200
SunMonTueWedThuFriSat
1234567
891011121314
15161718192021
22232425262728
293031    

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Zodiac & Birthstone

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

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October 31, 1200 by the Numbers

  • 301,140 days since October 31, 1200
  • 824 years, 5 months, and 29 days ago
  • 9,893 months since then
  • October 31 is in the 44th week of the year 1200 (ISO 8601)
  • 43,020 weeks ago
  • The year 1200 is 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 (October 31, 1200). 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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