Spaniards use the Gregorian Calendar just like US Americans and Britons. It starts on January 1st.
a calendar i think that it may also be knowne as a date book
the amans use a christian calendar.
It is called Hijra Calendar. It is a lunar 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.
the Gregorian calendar
The Gregorian calendar.
The Aztec calendar recognised 365 days
yes,the us uses the gregorian calendar
They brought the calendar with them from Europe.