Greetings!
I'm going to start running this adventure Friday night, and noticed that the "Timer" starts when the PC's get the message.
Unfortunately, they neglected to mention how long it takes to get to Xornn from anyplace the PC's might actually be.
I can just handwave it and start the "Timer" when they reach Xornn, but I'm curious as to what others would do (or have done) in this situation.
Nevemind. 
The authors contradict themselves when it comes time for the PC's to be briefed.
The "Timer" basically starts at the briefing.
Aye, the assumption is, where ever the players are, should be relatively be close to xornn, otherwise they wouldn't be dispatched to there as "The nearest asset". Given my group had recently returned from wild space, it made sense for us as we were close to the Zygerian empire, which is really the largest landmark. It also helps if the player has some history with one or more factions, but does't have any particlar favour with them. In this case, we had fairly strong alligence to the Hutts who had hired the Mandorians services prior to the mission and one PC who was a mandolorian through and through but not of that clan. Thus we had to immediate connections to one faction that could have potentially been exploited and the big bad Zygerians. The players only sent the mandolorian to deal with the mandolorians though, and my PC went behind their backs to the Zygerians when it became apparent we were going to be heavily undersupported, so only one of those tie in avenues were explored.
Thanks.
I did some research, and figured out (approximately) where Xornn and Velmoth Port would be. Tatooine would be about 5 hours from Xornn with a x1 hyperdrive, and Ryloth about 4.5 hours.
As my PC's have a x2 hyperdrive, I added 10 hours to the clock and I'm having them start at Tatooine.
I figure having them see how long it takes to get to Xornn should help set the tone...
On 10/30/2017 at 1:05 PM, salamar_dree said:Greetings!
I'm going to start running this adventure Friday night, and noticed that the "Timer" starts when the PC's get the message.
Unfortunately, they neglected to mention how long it takes to get to Xornn from anyplace the PC's might actually be.
I can just handwave it and start the "Timer" when they reach Xornn, but I'm curious as to what others would do (or have done) in this situation.
I think I have an answer to your original question. Kowak, which is where the chapter 3 content occurs, is on the main galaxy map. It appears in top left corner of S16. From there you can derive travel times, as there is a chart listing travel times between the systems listed out in the adventure.
Thanks, that's what I did. 
I even made a basic map for a visual.