This is a short one...but, I am on vacation at the beach so you will just have to understand.
I came across this the other day when a customer wanted to change their date format on their drawing titleblocks in Inventor. We all know that the titleblocks can be populated from the iProperties in your .ipt and/or .iam within the drawing. But, how do the iProperties get their date formatting? How can you change the format from DD/MM/YYY to say DD-MMM-YY? Why am I writing this shirtless in boardshorts and flip flops?
1 - the date formatting in iProperties comes from Windows.
2 - change the date formatting that Windows is using.
3 - because I am on vacation (typing that makes me as happy as saying it out loud).
If you go to your Control Panel, you can change the date format via the 'Clock, Language and Region' settings (in Windows7 anyway).
From there you can pick from the available formats, which you prefer from the 'Short Date' drop down list.
Once that is complete, the next time you fire up Inventor it will reflect the date format change.
Done and done. Hope you found it helpful. Now I'm off to build a sand castle...or fall asleep. Whichever comes first.