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keisanHigh-precision calculations for everyday life and work

How many days until...?

Manage Bookmarks
This calculates the number of days remaining from today until the selected date.
From today
Year
Month
Days Until
         How many days left?
Today's date  
Selected Date  
If today is not included,Days left Days
  If today is included,Days left Days
・The Japanese calendar input is available for dates starting from January 1, Meiji 6 (1873), when the Gregorian calendar was adopted.
・For Western dates, the Julian calendar is used up to 1582-10-04; the Gregorian calendar is used starting from the following day (October 15).
・The pop-up calendar is available starting from 1582-10-15, when the Gregorian calendar was adopted.

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