The liturgy schedule for Ash Wednesday is as follows:

Vigil: 6 AM
Lauds: 7:30 AM
Midday Prayer: 11:45 AM
Conventual Mass with distribution of ashes: 4:45 PM
Vespers: 7 PM
Student Mass with distribution of ashes: 7:30 PM

There will be no 11 AM Mass in the Basilica or public recitation of Compline.