Specifically, in relation to Escalation #15 & #16.
hunt the truth takes place 6 years after the events New Mombasa as stated by been in primer-00. If this is taken literally then this is around September 2558 but no time stamp can link an exact month (not even the notice of violation which is odd for a government document). the events of escalation 13-16 (its a 4 part ep.) takes place in July 2558.
as to the official relation of time between the two event it is unknown, all that is known is they accrue in the same year.