Thursday August 21, 1360
A date scroll with Latin text from โ€œThe Extremes of Good and Evilโ€ by Cicero, written in 45 BC.

August 21, 1360: Day of the Week

August 21, 1360 was the 234th day of the year 1360 in the Gregorian calendar. There were 132 days remaining until the end of the year. The day of the week was Thursday.

The day of the week for August 21, 1360 under the old Julian calendar was Friday. Did you notice the difference with the Gregorian calendar?

If you are trying to learn Spanish then this day of the week in Spanish is jueves.

A person born on this day will be 664 years old today. If that same person saved a Penny every day starting at age 3, then by now that person has accumulated $2,417.45 today.

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Here’s the August 1360 Gregorian calendar. You can also browse the full year monthly 1360 calendar.

August 1360
SunMonTueWedThuFriSat
     12
3456789
10111213141516
17181920212223
24252627282930
31      

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Zodiac & Birthstone

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

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August 21, 1360 by the Numbers

  • 242,840 days since August 21, 1360
  • 664 years, 10 months, and 15 days ago
  • 7,978 months since then
  • August 21 is in the 34th week of the year 1360 (ISO 8601)
  • 34,691 weeks ago
  • The year 1360 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 (August 21, 1360). 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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