Day Count (Date - Date)
Calculates the number of days, weeks, and years between different dates. You can calculate how many days have passed since birth.
| Number of days | day(s) |
| Number of weeks | Week ＋ day(s) |
| Number of months | months＋ day(s) |
| Number of Years | years＋ day(s) |
| Year-Month-Day | years＋ months＋ day(s) |
Number of Days = End Date − Start Date
・Japanese calendar input is available starting from the adoption of the Gregorian calendar on January 1, Meiji 6.
・For the Gregorian calendar, the Julian calendar was used until October 4, 1582, and the Gregorian calendar was adopted starting the following day (October 15).
・The pop-up calendar is available for dates on or after October 15, 1582, when the Gregorian calendar was adopted.
・Japanese calendar input is available starting from the adoption of the Gregorian calendar on January 1, Meiji 6.
・For the Gregorian calendar, the Julian calendar was used until October 4, 1582, and the Gregorian calendar was adopted starting the following day (October 15).
・The pop-up calendar is available for dates on or after October 15, 1582, when the Gregorian calendar was adopted.
Recommended
Date Calculation (Date + Number of Days)Calculates a new date by adding a number of days to a given date.
Date Calculation (Date + Number of Weeks)Calculates a new date by adding a specified number of weeks to a given date.
How Many Days Until...?Calculates how many days remain from today until the selected date.
No customer feedback for this calculation yet.