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Creating a formula for [date] subtract [specific number of days]

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Hi there,
I want to add a formula to result in a date.
I have a delivery date column. and I want formula to calculate a date 7weeks (49 days) before the delivery date. I have this working in Excel & numbers, but copying the formula into Airtable does not work - results in NaN.
Please may you help.
Thank you,
Sally

1 Solution

Accepted Solutions

Airtable’s formulas are not the same as Excel’s, or Numbers’, or Sheets’.

Your formula should either be

DATEADD({Delivery Date}, -7, "weeks")

or

DATEADD({Delivery Date}, -49, "days")

Make sure that your {Delivery Date} field is actually a date-type field.

See Solution in Thread

2 Replies 2

Airtable’s formulas are not the same as Excel’s, or Numbers’, or Sheets’.

Your formula should either be

DATEADD({Delivery Date}, -7, "weeks")

or

DATEADD({Delivery Date}, -49, "days")

Make sure that your {Delivery Date} field is actually a date-type field.

Thank you Kamille!

Thanks & regards,
Sally

Sally de Witt
E: sally@3xlapparel.co.za
M: 071 671 8861