古代エジプトでは、1年を365日とする太陽暦が用いられた。の英語

Ancient Egypt used a solar calendar with 365 days in a year.

the Egyptian solar calendar

a year made up of 365 solar days

the solar calendar introduced in Rome in 46 b.c. by Julius Caesar and slightly modified by Augustus, establishing the 12-month year of 365 days with each 4th year having 366 days and the months having 31 or 30 days except for February

It was in this year that the solar calendar was introduced into Japan.

a calendar called Ichigyo calendar

a constellation in Hindu astrology, called nakshatra

of the solar calendar, a 30-day month, and of the lunar calendar, a 29-day month, called February

The ancient Greeks knew as much about the solar system as we do.

the solar calendar now in general use, introduced by Gregory XIII in 1582 to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years

the lunar calendar in use in ancient Rome

having a day or month inserted to make the calendar year correspond to the solar year:

a month that has 31 days in the solar calendar or 30 days in the lunar calendar

of the ancient lunar calendar of India, a period of time called {waxing moon}

the reformed Julian calendar now in use, called Gregorian calendar

a calendar on which notes of each day's luck is written

the calendrical system used in ancient Rome, called Roman calendar

in the Roman calendar: the 15th of March or May or July or October or the 13th of any other month

a certain period in the ancient Indian calendar called a {white month}

an old calendar system called "Daito-reki"

in ancient China, a rounded hill where the emperor was worshipped

the solar calendar

the former calendar of China, called Chinese calendar

a calendar based on both lunar and solar cycles

the solar [lunar] calendar

a 15-year cycle used as a chronological unit in ancient Rome and adopted in some medieval kingdoms

a method of creating an almanac by observing the movement of the sun and the moon

a calendar in book form

a calendar day that is added extra to a common year

an old Japanese calendar written in 'hiragana'