First machines due away from the Grandstand at 1pm
Two TT qualifying sessions are scheduled for today, with the first taking place this afternoon.
The Mountain Road will close from 11.15am ahead of the rest of the course shutting at 12.30pm.
This afternoon's session starts with a Supersport/Sportbike session at 1pm, Sidecars at 2.05pm and Superbike/Superstock machines at 3pm.
All roads except the mountain section will reopen by 4.30pm, reclosing at 6pm ahead of the 6.30pm qualifying session.
The Superbike/Superstock session takes place first, followed by the Supersport/Sportbike classes at 7.20pm and Sidecars at 8.15pm.
The full course is due to reopen this evening by 9.30pm.
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