"Today is good for me to celebrate you."
Translation:qalopmeH QaQ jajvam.
Yes -- perhaps translating it more literally as "this day" would be easier to understand.
"This day is good" -- QaQ jajvam.
As opposed to jajvam QaQ "Today, it is good."
However, the Klingon Heghlu'meH QaQ jajvam is usually translated as "Today is a good day to die" rather than "This day is...".