I’m a big believer in bringing the reader into the setting as soon as possible. I like to start in media res (smack dab in the middle of the action), but that can disorienting if you have no idea where you are as a reader.
My goal is to let the reader know WHO’s here, WHERE they are, and WHEN the scene is happening. I always attempt to get all five senses into every scene. I can’t do that every time, of course, but I try. I’m skipping the sense of SIGHT because every scene has to include that.
Here are some of the ways I try to do all this. The very beginning of CHOKE, the first Imogene Duckworthy mystery: