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Calendar

  

DaysInYear

  

compute the number of days in a given year

 

Calling Sequence

Parameters

Description

Examples

Compatibility

Calling Sequence

DaysInYear( year )

Parameters

year

-

integer; the year whose length in days is to be computed

Description

• 

The DaysInYear( year ) command computes the number of days in the year year. The number of days is either 365 for an ordinary year or 366 in a leap year. There is also an exception for the year 1582, the year of calendar reform, which is missing 10 days.

• 

Leap years prior to 1582 occur every four years.  After 1582, the modern leap year rules are used.

• 

Leap years prior to the year 5 were observed inconsistently, and may be historically incorrect.

Examples

withCalendar:

DaysInYear2000

366

(1)

DaysInYear1100

366

(2)

DaysInYear2100

365

(3)

DaysInYear2001

365

(4)

DaysInYear1900

365

(5)

DaysInYear1995

365

(6)

DaysInYear1582

355

(7)

DaysInYear0

366

(8)

DaysInYear4

366

(9)

Compatibility

• 

The Calendar[DaysInYear] command was introduced in Maple 2018.

• 

For more information on Maple 2018 changes, see Updates in Maple 2018.

See Also

Calendar

Calendar[DaysInMonth]