# Computing the time elapsed between two date columns

To compute the number of seconds, minutes, hours, days, weeks, months, or years between two date columns (or between a date column and the current date):

1. In the Summary view, choose Table > Date Calculation…
2. Fill out the form and press OK

See also:

- Composing a date or time column from one or more components
- Editing a composed date or time column
- Extracting date or time components from a date or time column

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