WEEK_ADD() : add weeks to a date – TimeTonic Help Center

Used in a formula column, the WEEK_ADD() function adds a number of weeks to a date-type column and returns a new date. It is used to calculate deadlines in weeks: follow-up date at W+2, next weekly review, end of a trial period.

Syntax

WEEK_ADD(date_column, number_of_weeks)

Parameters

# Parameter Description

1 date_column The date-type column to which weeks will be added.

2 number_of_weeks The integer number of weeks to add. Positive to move the date forward, negative to move it backward.

Examples

Shift a date by several weeks

The formula returns the date shifted by 2 weeks.

WEEK_ADD($Date, 2)

The end date is the sum of the start date and the duration.

Tip: for shifts in days, months, or years, use DATE_ADD(), MONTH_ADD(), or YEAR_ADD() respectively.

Go further

WEEK()

Extract the week number of a date instead of adding to it.

Read more →

Or continue with

Formula glossary

All available operators and functions, sorted by category.