Translation of entsagen

A bystander who watched the entire scene all the time decided to help me. He was an older man, around seventy, but nonetheless he went to the oldest of these kids and slapped him. The boy was sixteen.
On Friday, I can send it from the US. But I would send it from here with EMS or even better with UPS, including delivery confirmation and tracking. From the US there will be no return address or tracking.
What time zone are you in or where are you located (city, state, country)? The time and date that you gave is according to your time zone, I guess. But I need to compare it in our log files.