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Leap Day Meet & Greet 29 FEB 2016 Event Cache

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hensmehens: ByeBye

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Hidden : Monday, February 29, 2016
Difficulty:
1 out of 5
Terrain:
1 out of 5

Size: Size:   other (other)

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Geocache Description:


It's February 29—Happy Leap Day!
A short meet and greet on this particular day...
The logbook will be there (shortly before noon) from

11.30 to 12.00
and I hope to met some local cacher or other visitors of this great country.
The sum of the digits of the coordinates is exactly 29, randomly of course.
By the way: If anybody is able to bring the necessary tool for the nearbye GC5ZCYE, I'll be glad to join him ;-)

CU


Following is some historical information about the leap day:
History of Leap Year
The Roman dictator Julius Caesar is considered the “father” of leap year. The ancient Roman calendar system was based on a total of 355 days in a year—a full 10 ¼ days shorter than a solar year, which is the length of time it takes the Earth to make one complete orbit around the sun. To keep the calendar system in line with the seasons, Roman officials were supposed to insert an extra month every so often, but by the time Caesar began to rule Rome, the calendar had gotten seriously out of whack. Caesar consulted with the top astronomers of the day, and in 46 B.C. decided to add one day (known as an intercalary day, or leap day) every four years to make up the discrepancy between the lunar and solar calendars. Caesar also took the opportunity to rename Quintillis, the fifth month of the year (counting from March), leaving us with the month we call July today. The leap year tradition took effect in 45 B.C., after a transition year that contained three extra months to make up for the difference that had accumulated over the centuries. The Julian calendar didn’t number days from “1” on up, but instead used calends (first day of the month), ides (middle of the month) and nons (in between). The leap day was set on the day before the 6th of calends of March, so leap day originally came six days before the first day of March, or February 25 (as February normally had 29 days). That might have solved the problem, except that a solar year is actually 11 minutes short of 365¼ days: It’s actually closer to 365.2425 days long (365 days, 5 hours, 48 minutes and 46 seconds). Astronomers figured this out around the second century A.D., but the calendar system didn’t change, and by the 16th century it was nearly 10 days off-track, even with the leap year system. In 1582, Pope Gregory XIII made his own reforms to the Julian Calendar, restoring the vernal equinox to March 21 from March 11, and producing the calendar system most of us use today.

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