That rather imposes a zero hour with regard to the starting time for selection.
September of next year is the zero hour in this matter.
Zero hour will be the day when the public will be required to fill in the form—that is 12 days from the beginning.
Zero hour was once more modified and set at midnight.
Whoever was responsible managed to send that ship up the river almost exactly at zero hour.
Some time ago, the dockers of a certain port were begged to get a ship ready to join a convoy by zero hour.
The ship was got ready to sail; but when zero hour came, did it sail?
Artillery fire was lifted ten minutes before zero hour so as not to hit them, and field artillery two minutes before.
