t1 = 10-Dec-2023 04:57:55
t2 = 10-Dec-2023 05:00:05
ET1 index = 380:705

t1 = 09-Dec-2023 23:14:02
t2 = 09-Dec-2023 23:16:14
ET2 index = 665:995

t1 = 09-Dec-2023 23:58:05
t2 = 10-Dec-2023 00:00:10
FT2 index = 673:985

t1 = 10-Dec-2023 02:29:55
t2 = 10-Dec-2023 02:32:04
FT1 index = 380:702