Sunday May 9, 1137
A date scroll with Latin text from โ€œThe Extremes of Good and Evilโ€ by Cicero, written in 45 BC.

May 9, 1137: Day of the Week

May 9, 1137 was the 129th day of the year 1137 in the Gregorian calendar. There were 236 days remaining until the end of the year. The day of the week was Sunday.

The day of the week for May 9, 1137 under the old Julian calendar was Sunday. Did you notice the similarity with the Gregorian calendar?

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

A person born on this day will be 887 years old today. If that same person saved a Nickel every day starting at age 3, then by now that person has accumulated $16,159.60 today.

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Here’s the May 1137 Gregorian calendar. You can also browse the full year monthly 1137 calendar.

May 1137
SunMonTueWedThuFriSat
      1
2345678
9101112131415
16171819202122
23242526272829
3031     

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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 9, 1137 by the Numbers

  • 324,288 days since May 9, 1137
  • 887 years, 10 months, and 13 days ago
  • 10,654 months since then
  • May 9 is in the 18th week of the year 1137 (ISO 8601)
  • 46,326 weeks ago
  • The year 1137 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 9, 1137). 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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