Saturday September 8, 1579
A date scroll with Latin text from β€œThe Extremes of Good and Evil” by Cicero, written in 45 BC.

September 8, 1579: Day of the Week

September 8, 1579 was the 251st day of the year 1579 in the Gregorian calendar. There were 114 days remaining until the end of the year. The day of the week was Saturday.

The day of the week for September 8, 1579 under the old Julian calendar was Tuesday. 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 445 years old today. If that same person saved a Quarter every day starting at age 5, then by now that person has accumulated $40,251.00 today.

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Here’s the September 1579 Gregorian calendar. You can also browse the full year monthly 1579 calendar.

September 1579
SunMonTueWedThuFriSat
      1
2345678
9101112131415
16171819202122
23242526272829
30      

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Zodiac & Birthstone

Virgo 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 8, 1579 by the Numbers

  • 162,831 days since September 8, 1579
  • 445 years, 9 months, and 24 days ago
  • 5,349 months since then
  • September 8 is in the 36th week of the year 1579 (ISO 8601)
  • 23,261 weeks ago
  • The year 1579 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 8, 1579). 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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