During the spring season anytime of day is good. The only real time a gobbler won't respond to a call is when he's "henned up", spooked by hunters or predators, or blocked by a large gully, stream, thick brush, downed trees, etc. Toms can gobble and start to respond to your calling but could be picked off by a hen which leads to being "henned up". In late morning/early afternoon toms will be more responsive because the hens nest up and allow the tom to go prowling again leaving themselves open to calling. If you can, try to locate birds toward evening by scoping fields and observing them till dark when they leave the field or fly up to roost. If you see them leave the field they may roost just a little ways off, but if they fly up from the field they're very close. Go near the area in the field they were in and use a crow, owl, or coyote call to get a tom to "shock gobble" at you. That way you'll pin point the gobbler for the next morning when you sneak in during darkness and wait for them to wake up and gobble on their own. There you can call lightly and try to get them to fly down near you for a shot at sunrise. During fall hunting try breaking groups up so they fly/run in all types of directions then sit and wait then try calling using the lost bird call and you should start seeing the group trying to relocate one another. I can only tell you this from experience so I won't say these are turkey facts and I hope this helped you out a little bit. GOOD LUCK.
Last edited by timberghost; 10-28-2007 at 12:57 AM.