You might not have noticed that Time Zone is one of the data points returned from a TrustedForm certificate claim.
It's under the Geographic section of the TrustedForm response and is based on the IP address where the lead form was originally completed.
Time zones are named according to the Olson Database.
Here are a few examples:
One common use case for Time Zone is to route leads to the appropriate Call Center.
We'd love to hear what other use cases you have for Time Zone in the comments below!