The new calendar has pictures
I can't see "this" calendar.
no
Egypt were the first ones to use the 365-day calendar
No. There is the Gregorian calendar (used by Americans, Europeans, and Japanese), a Hebrew calendar, and a Muslim calendar at least. Here's a link to a Chinese calendar and an Indian calendar.
Because they use a different calendar.
The yearly calendar begins JANUARY 1 but the liturgical calendar begins on the first Sunday of Advent
In the Gregorian calendar January is the first month. However there are different 'types' of year. The tax year for instance, starts in April in the UK, in Australia the Tax year starts in July but we still use the Gregorian calendar.
A lunar calendar is a calendar based on the phases of the moon as opposed to one determined by the Sun, known as the solar calendar. The lunar calendar varies from different regions. For example, the Hindu calendar starts their first day of the month on a different day than to the Chinese calendar.
One can find on online advent calendar in a number of different places. One place is Calendar Me Up. This company's website has tons of different calendars to use.
for the romans It only had 10 months
It depends which calendar you use
No. Many calendars were in use before this.