QUESTION: Fix punctuation: Guests can check in their luggage any time after 0730
ANS: Guests can check in their luggage any time after 07:30.

QUESTION: Fix punctuation: While that is the case it worked well and without issues on the systems I ran it on Note though that you may not want to run the program in productive environments yet
ANS: While that is the case, it worked well and without issues on the systems I ran it on. Note though that you may not want to run the program in productive environments yet.

QUESTION: Fix punctuation: Apple sent a Lets meet at our place invitation to the media that didnt hint much However thanks to a healthy dose of leaks reports and rumors we have a pretty good idea of what Apple plans to introduce at the event
ANS: Apple sent a "Let's meet at our place" invitation to the media that didn't hint much. However, thanks to a healthy dose of leaks, reports and rumors, we have a pretty good idea of what Apple plans to introduce at the event.

QUESTION: Fix punctuation: Unidentified flying objects strange lights in the sky craft from distant planets or perhaps home grown secret technologies being formulated by our governments
ANS:
Unidentified flying objects, strange lights in the sky, craft from distant planets or perhaps home grown secret technologies being formulated by our governments?