NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: What's a time hack?
From: Dick Pratt
Date: 2015 Nov 9, 14:59 -0800
From: Dick Pratt
Date: 2015 Nov 9, 14:59 -0800
In the US Navy, a time hack is a time check, based on the US Naval Observatory Master Clock.
https://www.nasw.org/users/sperkins/timehack.html
http://tycho.usno.navy.mil/what.html
Also of note, Zulu time is UTC, which is pretty much common knowledge.