I get a lot of horrid pains during pregnancy and hip pain is one of them.

Being on your feet for such long hours certainly wouldn't be helping so maybe try some of these:
- heat packs
- fold a doona in half and put it under the fitted sheet on your side of the bed for extra padding when sleeping. A layer of foam from the likes of Clark Rubber would be great too
- sleep with a decent sized pillow between your thighs. I was using one of my BF pillows for quite a while but then it suddenly wasn't big enough to support me properly so I started using my more solid, thicker one and it's helped so much!
- Physio may help or you could try a chiro. I spent a lot of time at Southcare Physio at SJOG Murdoch when I was PG with DD and it helped a lot. They do acupuncture there as well.
- you may need some inserts in your shoes to provide more support. My dad suffers from hip pain and has to wear orthotics.
- get a belly belt/band to support your tummy. It's amazing how much pressure that removes from your hips and back. My physio ordered mine for me last PG.

I've really found the much bigger pillow between the thighs has made a massive difference for me this PG though. I even removed the dooma from under our sheets they've been so much better

Hope you get some relief soon.