That time is correct for 1-2-3A & 4a Regionals. Times for 5&6A (1-day tourneys) are different.

They are established by KSHSAA and can be found in the Wrestling Manuels that are sent to all ADs/Head Coaches...

KSHSAA web site did have this though:
Revised Schedule for 2005 KSHSAA 3-2-1A Regional Wrestling Tournament @ BELOIT:
Friday, February 18, 2005
2:00 - First Round
Time determined by previous round - Championship Quarterfinals
Time determined by previous round - First Round Consolation
Time determined by previous round - Consolation Cross Bracketing