Discover science
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.
Calendar
Browse ScienceInfo articles and explainers related to Calendar.
Topic archive
Articles about Calendar
124 published items.
Discover science
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.
Discover science
Why is the 5/5 Lunar Calendar chosen as the Doan Ngo Tet Festival?
Doan Ngo Tet festival is considered the 2nd biggest Tet holiday of the year after the Lunar New Year. So why, Doan Ngo Tet was held on 5/5 Lunar Calendar?
Discover science
The origin, meaning of Buddha's Birthday and rituals should be done on the sacred day
Buddha's Birthday is a great day celebrated annually by both the Theravada and Hinayana schools.
Discover science
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.
Discover science
This is what really created a glorious Roman empire
Although the Roman Empire had collapsed from more than 1500 years ago, the tangible and intangible heritage it left still exists today.
Discover science
Why is the solar calendar in February only 28 or 29 days?
The original Roman calendar was issued by Romulus, the first emperor of Rome. His calendar is based on the Moon's cycle.
Discover science
Full moon in January why called the Lunar New Year?
January 15 or January 1, January is one of the most important days according to the lunar calendar of Asians.
Discover science
Where did 12 Giap come from?
Who thought of 12 animals (Rat, Ox, Tiger, Rabbit ...) of the lunar calendar? Is the dragon real? What is the time of counting on the relationship to 12 animals?
Discover science
Why is the Vietnamese and Chinese New Year a day different?
Starting in 1080, the Vietnamese calendar is different from the Chinese calendar due to the difference in the way of calculating the calendar and how to round the days o…
Discover science
Why did Japan give up the traditional Tet?
Japan is a country located in Asia, most people follow the Shinto religion. But Japan is the only country in Asia to celebrate Tet in a positive calendar.
Discover science
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.
Discover science
Unexpected code decoding on New Year's Day
The history of New Year's Day is derived from the ancient Roman calendar system. The first day of the first year of January 1 was first applied in 153 BC.
Discover science
What is the phenomenon of the turquoise moon?
The blue moon of the scientific world is a completely different phenomenon, and it is not green.
Discover science
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 se…