Saturday October 23, 1058
A date scroll with Latin text from “The Extremes of Good and Evil” by Cicero, written in 45 BC.

October 23, 1058: Day of the Week

October 23, 1058 was the 296th day of the year 1058 in the Gregorian calendar. There were 69 days remaining until the end of the year. The day of the week was Saturday.

The day of the week for October 23, 1058 under the old Julian calendar was Friday. Did you notice the difference with the Gregorian calendar?

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

A person born on this day will be 966 years old today. If that same person saved a Penny every day starting at age 7, then by now that person has accumulated $3,505.12 today.

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Here’s the October 1058 Gregorian calendar. You can also browse the full year monthly 1058 calendar.

October 1058
SunMonTueWedThuFriSat
     12
3456789
10111213141516
17181920212223
24252627282930
31      

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Zodiac & Birthstone

Libra 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 23, 1058 by the Numbers

  • 353,069 days since October 23, 1058
  • 966 years, 8 months, and 1 day ago
  • 11,600 months since then
  • October 23 is in the 42nd week of the year 1058 (ISO 8601)
  • 50,438 weeks ago
  • The year 1058 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 (October 23, 1058). 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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