I want to take trade on Friday and if Friday is a holiday then I want to take trade on Monday or Tuesday

I want to take trade on Friday and if Friday is a holiday then I want to take trade on Monday or Tuesday.

Basically I want a keyword that should take trade after the current week expiry. If Thursday is expiry it should take on Friday and if Friday is holiday it should take trade on next trading day.

Please help.

Regards,
Uma