Exploring Calendar Systems and Cultures

Match the following calendar systems with the countries or regions where they are predominantly used today.

• Official calendar in many Islamic countries

• Julian calendar

• Used mainly by some Orthodox Christian churches

• Hebrew calendar

• Currently used by most countries around the world

• Islamic calendar

• Used primarily in Jewish religious contexts

• Gregorian calendar

Tags

MI.7

What is the main unit of time measured by a calendar?

• Second

• Minute

• Day

• Hour

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MI.7

Which ancient civilization developed the lunar calendar?

• Egyptians

• Babylonians

• Romans

• Greeks

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MI.7

Match the following calendars with the number of months they have.

• Roman calendar (pre-Julian)

• 12

• Ancient Hebrew calendar

• 11

• Gregorian calendar

• 10

• Some lunisolar calendars (with leap month)

• 13

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MI.7

Which calendar system is based on the cycles of the moon?

• Gregorian calendar

• Solar calendar

• Lunar calendar

• Julian calendar

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MI.7

What is the main difference between the Julian and Gregorian calendars?

• Number of months

• Length of the year

• Number of days in a week

• Use of leap years

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MI.7

The calendar primarily used for Islamic religious observances is the (a)   .

• Gregorian calendar
• Hebrew calendar
• Islamic calendar
• Chinese calendar

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MI.7

Which calendar system adds a leap month to keep the calendar in sync with the seasons?

• Gregorian calendar

• Chinese calendar

• Islamic calendar

• Julian calendar

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MI.7

Which civilization is credited with introducing the concept of a leap year?

• Greeks

• Romans

• Babylonians

• Egyptians

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MI.7

There are (a)   days in a typical year in the Gregorian calendar.

• 360
• 364
• 365
• 366

Tags

MI.7