Differ Days

Differ Time

Differ Date and Time

Add/Subtract Duration

Add/Subtract Duration 2

Related Tools

Date calculator is used to calculate the number of days, months and years between two dates online. It also supports subtracting or adding specific days, months and years to a date to get a new date.

- Differ Days : Calculate the number of days between two dates. The difference days are displayed in two forms: days and days of year x, month y and day Z. If the start date is after the end date, the exchange calculation will be carried out automatically.
- Differ Time : Calculate the interval between two times. The calculation results are expressed in hours minutes seconds, total hours, total minutes, and total seconds.
- Differ Date and Time : Calculate the interval between two dates and times. The calculation results are expressed in days hours minutes seconds.
- Add/Subtract Duration : Date add or subtract a specific duration, which can be expressed as x year, y month and z day. Where x, y and z are all integers greater than or equal to 0 and less than or equal to 999. Click calculate to get the result date. This function can be used to calculate the date after or before a specific date.
- Add/Subtract Duration 2 : Add or subtract a specific duration from the date and time. The duration can be expressed as X years, Y months, Z days, A hours, B minutes, and C seconds. Among them, X, Y, Z, A, B, and C are all integers greater than or equal to 0.