2. The word calendar comes from the Latin word,
Kalendae, which means the first day of the month.
How did the word Calendar came
into existence?
3. Gregorian Calendar, the most commonly used calendar
today, was introduced by Pope Gregory XIII. This was
because the previously used Julian Calendar was off by
11 minutes, causing the calendar to fall out of sync
with the seasons.
Who introduced Gregorian calendar to
the world?
4. In the Julian calendar, every year divisible by 4 is a leap
year. However, in the Gregorian calendar, there is an
exception century years are not leap years, unless
divisible by 400. This was done to offset the
miscalculated 11 minutes.
How does the Gregorian calendar differ
from the Julian calendar
5. The exact time it takes for Earth to complete one
revolution is 365 days, 5 hours, 10 minutes and 48
seconds. By adding a leap day every 4th year, a
difference of 26 seconds arises.
Why does the Gregorian calendar differ
from the Solar year by 26 seconds?
6. Before adopting the Gregorian calendar, the English
new year was observed on Lady Day, March 25th,
which celebrates the Virgin Mary.
When was the new year celebrated
before the adoption of the Gregorian
calendar?
7. Roman Emperor Constantine chose Sunday as the day
of rest and prayer in the year 321. He did so to please
both Christians (Sunday marks resurrection of Christ)
and Pagans (who worshiped the sun gods) in his empire.
When and Why did Sunday became the
day of rest?
8. Roman Emperor Constantine chose Sunday as the day
of rest and prayer in the year 321. He did so to please
both Christians (Sunday marks resurrection of Christ)
and Pagans (who worshiped the sun gods) in his empire.
When and Why did Sunday became the
day of rest?
9. How did the months of the year get their
names?
January: Named after Janus, the God of
beginnings and endings
February: Named after the festival Februa, a
period of celebration
March: Named after March, the Roman God of
War (Originally March was the first month.
January and February were added later by Numa
Pompilius)
April: There are three theories behind Aprils
naming
It is the Latin word for second
Derived from Latin word, Aperire meaning,
to open, representing the opening of buds in
spring
Named after Roman Goddess, Aphrodite
May: Named after Maia, earth goddess of growing
plants
June: Named after Juno, the queen of the gods
and patroness of marriage and weddings
July: Named after Julius Caesar in 44 B.C.
August: Named after Augustus Caesar in 8 B.C
September: Derived from Septem, Latin word for
seven
October: Derived from Octo, Latin word for eight
November: Derived from Novem, Latin word for
nine
December: Derived from Decem, Latin word for
ten
10. Yes, 13th of every month is more likely to fall on Friday
than any other day of the week, 688 times every 400
years to be precise. This is because after three 28-year
rotation cycles, the last 12 calendars repeat themselves.
Since 1st January of the 13th year falls on a Saturday,
the distribution symmetry of days is disrupted.
Is 13th more likely to fall on
Friday than on any other day of the
week?
11. Gregorian calendar is the most widely used calendar in
the world. However, it isnt the only one in use. There
are 6 other regular calendars:
The Chinese calendar
The Hebrew Calendar
The Islamic Calendar
The Persian Calendar
The Ethiopian Calendar
Te Balinese Pawukon
What are other calendar systems that
exist in the world?
12. What are other calendar system exist in
the world
Calendars fall into three types:
Lunisolar
Solar
Lunar.
Gregorian calendar is a type of solar calendar, based on earths
revolution.
Calendars like the Islamic calendar are lunar calendars that are
based on phases of the moon.
Hebrew and Hindu calendars are types of lunisolar calendars which
are based on movement of both, the Sun and the Moon.
13. I am Jayden Samuelson, an online marketing expert and a
regular contributor to Promo Direct
Go for promotional calendars if you want to help recipients
better plan out their schedules.
If you have any question, get in touch with me at Google+, Twitter and Facebook