Friday May 18, 1308
A date scroll with Latin text from β€œThe Extremes of Good and Evil” by Cicero, written in 45 BC.

May 18, 1308: Day of the Week

May 18, 1308 was the 139th day of the year 1308 in the Gregorian calendar. There were 227 days remaining until the end of the year. The day of the week was Friday.

The day of the week for May 18, 1308 under the old Julian calendar was Saturday. 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 vendredi.

A person born on this day will be 717 years old today. If that same person saved a Cent every day starting at age 4, then by now that person has accumulated $2,604.61 today.

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Here’s the May 1308 Gregorian calendar. You can also browse the full year monthly 1308 calendar.

May 1308
SunMonTueWedThuFriSat
  12345
6789101112
13141516171819
20212223242526
2728293031  

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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 18, 1308 by the Numbers

  • 261,922 days since May 18, 1308
  • 717 years, 1 month, and 12 days ago
  • 8,605 months since then
  • May 18 is in the 20th week of the year 1308 (ISO 8601)
  • 37,417 weeks ago
  • The year 1308 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 (May 18, 1308). 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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