Thursday September 29, 1385
A date scroll with Latin text from “The Extremes of Good and Evil” by Cicero, written in 45 BC.

September 29, 1385: Day of the Week

September 29, 1385 was the 272nd day of the year 1385 in the Gregorian calendar. There were 93 days remaining until the end of the year. The day of the week was Thursday.

The day of the week for September 29, 1385 under the old Julian calendar was Friday. 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 639 years old today. If that same person saved a Dime every day starting at age 5, then by now that person has accumulated $23,183.80 today.

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Here’s the September 1385 Gregorian calendar. You can also browse the full year monthly 1385 calendar.

September 1385
SunMonTueWedThuFriSat
    123
45678910
11121314151617
18192021222324
252627282930 

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Zodiac & Birthstone

Libra 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.

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September 29, 1385 by the Numbers

  • 233,664 days since September 29, 1385
  • 639 years, 9 months, and 1 day ago
  • 7,677 months since then
  • September 29 is in the 39th week of the year 1385 (ISO 8601)
  • 33,380 weeks ago
  • The year 1385 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 (September 29, 1385). 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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