gregorian calendar | scienceinfo.net

Why is there a 29/2 leap date?
Why is there a leap day? What is a leap year? What is leap month? Let's find out what a leap day, a leap month and a leap year are.
Why is the world in 2018 but this strange country is still 2011?
The positive calendar that we use to calculate the time is called the Gregorian calendar. It was first created in 1582 by Pope Gregory XIII.
100 years ago, how did Russia take 13 days in February?
The entire population of Russia took nearly half a February, exactly 13 days from 100 years ago.
The new year is close to these countries but not in 2018
Almost everything is relative and time is no exception. People create calendars to measure time.
Why need a leap year?
2016 is a leap year. February 29, 2016 will be another day to add to the calendar to help synchronize the rotation of the Earth around the sun and the true passage of seasons.
Interesting things on February 29 less known
In the West 29/2 is considered a day for women to propose, the day they can confess to any guy.
October 1582 calendar with 10 days does not exist
Before 1582, Europeans and colonies used a calendar based on the Julian calendar given by Emperor Julius Caesar in 46 BC.
New convenient calendar
Mathematicians and economists at John Hopkins University in Baltimore (USA) have designed a new type of calendar without a leap year. This means that birthdays, holidays and