Looking for wedding date

Hi. I'm Erwin
I was born on June 3, 1992, 16.00(pm) (Monkey)
My girlfriend was born on September 16,1994, 21.30(pm) (Dog)

We want to celebrate our wedding in early month 2019, when is the best month and date for us?
(Someone told me that my zodiac, monkey, is not good in 2019 because 2019 is pig year, pig is harm/clash to monkey, is it real?)

My dad was born on January 25, 1962, 15.00pm (cow)
My mom was born on May 5, 1970, 5.00am (dog)

Her dad was born on July 24, 1967, 02.00am (sheep)
Her mom was born on Desember 28, 1966, 23.00pm (horse)