mr -> observatory -> ect igt

(mr owl -> swamp gossips -> tree rupees -> observatory -> moon's tear -> scrub hp -> ikana gossips -> enter ect) igt

real time while igt is advancing

(16:16.1 to 16:19.2) + (16:22.3 to 16:27.6) + (16:31.7 to 16:33.6) + (16:51.6 to 16:52.9) + (16:56.1 to 17:08.9) + (17:10.2 to  17:13.2) + (17:14.6 to 17:19.8) + (17:24.3 to 17:26.7) + (17:32.1 to 17:33.9) + (17:56.3 to 18:17.6) + (18:21.8 to 18:24.0) + (18:27.6 to 18:28.3) + (18:32.8 to 18:38.9) + (18:42.1 to 18:43.8) + (19:10.7 to 19:12.7) + (19:15.8 to 19:19.6) + (19:22.8 to 19:25.4) + (19:43.4 to 19:44.8) + (19:47.7 to 19:55.1)

= 3.1 + 5.3 + 1.9 + 1.3 + (3.9 + 8.9) + 3 + 5.2 + 2.4 + 1.8 + (3.7 + 17.6) + 2.2 + .7 + 6.1 + 1.7 + 2 + 3.8 + 2.6 + 1.4 + (2.3 + 5.1) = 86.0

(86/45)*60 ~114.67m igt uninverted

114.67/3 ~ 38m inverted igt