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1.
1. Latino Standard Time (LST) refers to the amount of time between when someone of Latin American origin says that they will be somewhere, and when they actually are. Generally Latino standard time ranges between LT (Local Time) + 30min and LT + 2h. In rare instances, LST can be LT + up to 1 day.

Ed: Didn't Leslie say that she would be ready to leave 45 minutes ago?
Doug: Yeah, but she's on Latino Standard Time.
by Eduardo v October 02, 2006