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Ishan Singh 4Ishan Singh 4 

I want to extract month and date from formula field(date type) in to another formula field(date type) which will include current year.

Eg:
Date of Birth(Date field) : 26-Jan-1996

New formula field (Date Type) - Day + Month + CurrentYear

 Output of new Formula field : 26-Jan-2020
AnudeepAnudeep (Salesforce Developers) 
Hi Ishan, 

You can use the functions DAY( date ), MONTH( date ), and YEAR( date ) to return their respective numerical values and build your formula accordingly

This document has some examples that you can refer to https://help.salesforce.com/articleView?id=formula_examples_dates.htm&type=5

Anudeep