No, the president is required to notify Congress WITHIN 48 hours of committing armed forces to military action.
Good catch.
The War Powers Resolution requires the President to notify Congress within 48 hours of committing armed forces to military action and forbids armed forces from remaining for more than 60 days, with a further 30-day withdrawal period, without a Congressional authorization for use of military force (AUMF) or a ...
-From lefty Wiki itself