Why was the calendar an important Egyptian achievement? A. It introduced the use of Daylight Savings Time. B. It followed a system of 350 days in a year. C. It was a 365-day calendar similar to our present-day calendar. D. It was the basis for the Ptolemaic calendar.

The answer is B, because they added 5 day in Honor of the gods so that they can thank them

Explanation:

the answer is C. it was a 365 day calendar similar to our present day calendar.

Explanation:

The ancient Egyptians had a calendar based on the phases of the moon. The Egyptian calendar had 360 days, with three seasons. Each season was four months long with 30 days in each month. The seasons were based off the cycles of the Nile River. The ancient Egyptians added five additional days at the beginning of the year. These five days were a time of great feasting and celebration.

the answer is d. party organizers, volunteers, voters and elected officials.