1. The date on which a business, event, or venue officially opens to the public for the first time
The opening date for the new shopping mall is scheduled for next month.
A data de abertura do novo shopping está marcada para o próximo mês.
2. The date when a position or opportunity becomes available
We announced the opening date for applications to the scholarship program.
Anunciamos a data de abertura para inscrições no programa de bolsas.