t1 = 10-Dec-2023 08:22:12 t2 = 10-Dec-2023 08:24:20 ET1 index = 310:630 t1 = 10-Dec-2023 13:15:54 t2 = 10-Dec-2023 13:18:05 ET2 index = 650:977 t1 = 10-Dec-2023 10:50:12 t2 = 10-Dec-2023 10:52:20 FT2 index = 565:885 t1 = 10-Dec-2023 08:57:56 t2 = 10-Dec-2023 09:00:04 FT1 index = 382:702