| 2300 | Lerit is born on Vulcan |
| 2307 | At the age of seven, Lerit passes the Vulcan rite of manhood (Kahs'wan) in the desert |
| 2307 | After Kahs'wan, Lerit was telepathically bonded with a young Vulcan girl named T'Rylla |
| 2318 | After primary education on Vulcan is finished, Lerit pursues Kohlinar the path of pure logic, and purging of all emotions |
| 2322 | Lerit leaves the Kohlinar temple, having failed to attain his goal after four years of study and meditation. |
| 2322 | Lerit applies to Starfleet Academy, but his application is turned down. |
| 2322 | Lerit, having succumbed to the emotional state of depression, turns away from Vulcan teaching and attempts to embrace and discover his emotional self, and takes up a position as third mate of a trade vessel, Bonaventure run by a Terran named Arthur Grayson. Lerit serves as an engineer of sorts, and also in a security capacity. His intellect making him a fast study, and his Vulcan strength and discipline making him an excellent body guard. |
| 2325 | After several years on board the profitable ship, several ranking ship's mates cash out, leaving space for Lerit to advance. He is promoted to First Mate. |
| 2327 | An incident near Jouret on the border of Federation space leaves Arthur Grayson dead, and cripples the Bonaventure. Lerit rethinks his life, and returns home to Vulcan. |
| 2329 | After two years of soul-searching and self study in his father's house, Lerit returns to the temple to attain Kohlinar. |
| 2333 | Lerit fails the Kohlinar again, probably for the last time he will be allowed to try. He enters the Vulcan Academy of Sciences, studying Xenoarcheology. |
| 2337 | Lerit graduates middle of his class, and enters a graduate student research program that takes him off to far away places. |
| 2345 | Lerit is awarded a professorship at the Vulcan Academy of Sciences, and leads a classified expedition to the site of the Guardian of Forever. His team studies the Guardian for over ten years, but their research is inconclusive. |
| 2355 | When their team is ordered to return to Vulcan, Lerit suffers another bout of depression, and leaves the Vulcan Academy of Sciences. Lerit applies to Starfleet Academy again, and is accepted. |
| 2359 | Lerit, having changed his focus to astronomy and stellar mechanics, graduates with honors from the Academy as an Ensign science officer aboard the USS Tien An Men, NCC-21382 (Miranda Class) |
| 2363 | Lerit is promoted to Lieutenant, Junior Grade, and transferred to the USS Odyssey (NCC-71832) Galaxy Class as Assistant Chief of Sciences. |
| 2367 | Lerit is promoted to Lieutenant, and transferred to Starbase 375 as Assistant Chief of Sciences, under the command of Admiral Ross. |
| 2372 | Lerit assumes role of Chief of Sciences for Starbase 375, and is promoted to Lieutenant Commander. His chief duties have to do with gathering intelligence on the Dominion by developing remote sensing technology. Much of his work is classified. |
| 2373 | War breaks out with the Dominion. |
| 2374 | Lerit is placed under the command of Captain Benjamin Sisko, who has been posted to SB 375 to be Admiral Ross' aide-de-camp in the Dominion War. Lerit continues to produce intelligence information for Sisko. |
| (Late) 2374 | Sisko leaves SB 375 and recaptures DS 9. |
| 2376 | Lerit is posted to the USS Firestorm as Acting Chief Science Officer, ostensibly to assist in the study of a spatial anomaly. This post would later become permanent. |
