Calendar calculations

Dates before 1582/10/14 are not available.

Enter the month as a number.

How many days passed Lumi

From year, month day,
To year, month day

>days passed.
(Total number of days including the first and the last day is one more large.)

The day
days year, month day is

> year, month day. (day)

Single month

year, month

Single day

year, month day is

> day

Getting all possible years by the given day, day of the week, and month.

Give the day and the month first.

Groups of years with the same calendar.

Give the year.