Is there a "null date"? So I don't get errors or "Your result type is not a number or a date."

For example, I have a date field, some of which are filled in, some of which are not. I want to make a second date field that is a time offset from the first. I want this formula field to stay in date format so it can be exported to a calendar, etc:

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However, when the first field is blank, the second field shows an error instead:

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How can I change my formula to output “absence of date” when the first field is blank? Using IF(BLANK( to return "" or 0 breaks the date formatting:

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Hi @Jonathan
You are on the right track!

The format for an IF formula is IF(something that can be true, do this if true, do this if false)

IF({date}, something, '')

So IF(there is a date in the field named date, do something, otherwise output blank)

That doesn’t work, as I said. "" is a string, not a date, so the field cannot be formatted as a date anymore:

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Just leaving the “else” argument blank seems to work:

IF({date}, something)
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