However, the 24-hour system only came into widespread use in the 20th century, and most analogue clocks (including virtually all chiming or striking clocks) still work on the 12-hour system. A striking clock rings a bell once for each hour of the time. One ring is 1 o'clock, two rings is 2 o'clock, three rings is 3 o'clock, four rings is 4 o'clock, etc. Traditional clocks that strike a bell only mark 12 hours.
Report Abuse. 1  If you leave them alone from now until then, yes you should pass without incident. 2  Before taking this medicine. 3  I take klonopin on a daily basis and it can stay in you system for 6 weeks if doing a urine test...
P.S I do not take xanax on a regular basis. XANAX (alprazolam) HAS a duration of action of up to 6 hours. If you want to know how long after you take it can it be DETECTED, that's different. Most benzodiazapines, when taken on a regular basis, can be detected in the urine from 24 hours to 72 hours.anax stays in the body 4 - 6 hours depending on the individual. The second answer was correct and off a pharamacy site! YET ANOTHER ANSWER! GENERALLY speaking, how long a drug stays in your system is more likey linked to how long does the drug works in your system.