Date & Time
Returns the current date as a serial number. Updates automatically when the worksheet is recalculated.
=TODAY()=TODAY()Returns today's date
Result: 12/29/2025
=YEAR(TODAY())-YEAR(A1)Calculates age from birthdate in A1
Result: Age in years
=A1-TODAY()Calculates days remaining until date in A1
Result: Days remaining
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