12 Months of the Year
The twelve months of the year are January, February, March, April, May, June, July, August, September, October, November and December. Each month has either 28, 30 or 31 days during the common year. more
The twelve months of the year are January, February, March, April, May, June, July, August, September, October, November and December. Each month has either 28, 30 or 31 days during the common year. more
5 Fridays, 5 Saturdays and 5 Sundays in the same month happens only every 823 years? This popular urban myth is precisely that: a myth. more
The Chinese calendar is one of the oldest calendars in modern society. It is a lunisolar calendar. more
The Gregorian calendar is the internationally accepted civil calendar that was first adopted in 1582. more
The Julian calendar reformed the Pre-Julian Roman calendar and consists of three cycles of 365-day years followed by a 366-day leap year. more
The Maya calendar consists of a system of three interlacing calendars and almanacs which was used by several cultures in Central America, most famously the Maya civilization. more
A Leap Year consists of 366 days where February 29 is added as an extra day at the end of February. When is the next Leap Year? more
The Vernal (Spring) Equinox in the Northern Hemisphere is in March. In the Southern Hemisphere it's in September. more
The Roman or “pre-Julian” calendar has changed several times between its creation during the founding of Rome and the fall of the Roman Empire. more
Some dates fall on the same weekday every year. Use this knowledge to calculate the weekday of any date in your head. more
The Gregorian calendar was first introduced in 1582. Why are there some days missing in the calendar at that point? When was it adopted in different countries? more
September is the ninth month of the year in the Gregorian calendar, but the name means 'seventh', as it was the seventh month in the ancient Roman Calendar. more
Learn more about Leap Day traditions, superstitions and folklore. more
August is the eighth month of the year in the Gregorian calendar and is named after Augustus Caesar. more
February 30 actually existed at least twice in the past, according to historical records. more
Some dates fall on the same weekday every year. Use this knowledge to calculate the weekday of any given date in your head. more
Learn more about numerically unique calendar dates such as sequential dates, same number dates, and palindrome (reversible) dates more
Toast the New Year 40 times with our new year countdown. 26 hours after the first bottle of bubbly pops on Kiritimati in the Pacific, Baker Island greets the New Year. more
Will the world end on December 21, 2012 at 11:11 UTC when the Mayan calendar finishes? more
A number of famous people were born on Leap Day. But how do leaplings celebrate their birthdays? And what is the world record for the number of children born on February 29? more
The meaning of dates, such as 11/11/11, is becoming more popular since the start of the new millennium. more
October is the tenth month of the year in the Gregorian calendar. more
January is the first month of the year in the Gregorian calendar and named after the two-faced Roman god Janus. more
Friday the 13th, also known as Friday 13 or Friday the thirteenth, has been considered as a day of bad luck in various countries for many years. more
Instead of adding one Leap Day on February 29 nearly every four years, the Chinese add a Leap Month every 3 years to keep their calendar in line with the Earth's rotation. more
Wednesday is the day third of the week between Tuesday and Thursday and is named after Germanic god Wodan and Odin, the Norse allfather of the gods. more
Monday is the first day of the work week and is between Sunday and Tuesday. more
December is the twelfth and last month of the year in the Gregorian calendar. more
The Jewish leap year has 13 months and occurs 7 times in a 19-year cycle. more
February is the second month of the year in the Gregorian calendar. It is the shortest month with only 28 days in common years and 29 days in leap years. more
November is the eleventh month of the year in the Gregorian calendar. more
Thursday is the fourth day of the week between Wednesday and Friday, and is named after Thor, the hammer-wielding Norse god of thunder. more
Only on October 10, 2010 and in the next hundred years can people write the date as 10/10/10. more
June is the sixth month of the year in the Gregorian calendar, and is named after the Roman goddess Juno. more
July is the seventh month of the year in the Gregorian calendar and is named after Julius Caesar. more
A leap year in the the Islamic Hijri calendar occurs 11 times in a 30-year cycle, in which 1 day is added to the last month of the year. more
In many Northern Hemisphere cultures, the June solstice is associated with holidays, feasts and celebrations. more
April is the fourth month of the year in the Gregorian calendar, and is named after the Greek goddess Aphrodite. more
Sunday is the day of the week that is between Saturday and Monday. more
March is the third month of the year in the Gregorian calendar and named after Mars, the Roman god of war. more
The Hindu leap year has an extra month and occurs once every 3 years or 4 times in 11 years. more
Friday is the fifth day of the week, between Thursday and Saturday, and the last day of the working week in most western countries that follow ISO 8601. Friday is named after the Norse fertility goddess Frigg. more
Tuesday, named after the Norse god Tyr, is the second day of the week in most countries, but some count it as the third day of the week. more
Saturday is the day of the week that is between Friday and Sunday. more
May is the fifth month of the year in the Gregorian calendar and named after the Greek godess Maia. more
A leap year occurs once every 4 years in the Ethiopian calendar, in which 1 extra day is added at the end of the year. more
A Palindrome Day happens when the day’s date can be read the same way backwards and forwards. The dates are similar to word palindromes in that they are reversible. Depending on the date format Palindrome Days can be rare. more
December, 12, 2012 or 12-12-12 was the last date of its kind - when all three numericals in a date are the same - for the next 88 years. The next time this will happen is on January 1, 2101, or 01-01-01. more
In most western countries the Gregorian calendar is in use, but some cultures use other calendars. Some calendars even have a leap month instead of a leap day in a leap year. more
A leap year occurs about 8 times in a 33-year cycle in the Iranian or Persian calendar. more
The Bahá'í leap year occurs when 1 extra day in the last month of the Bahá'í calendar, usually every 4 years. more
13 facts about Friday the 13th, the unluckiest day in the Gregorian Calendar. more
Watch daylight move across the planet.. More
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