noun
shipping date; dispatch date
Refers to the date on which an item is sent out, commonly used in e-commerce, logistics, and order confirmations.
ご注文の発送日は明日です。
The shipping date for your order is tomorrow.
発送日から到着まで3日かかります。
It takes three days from the shipping date to arrival.
到着日 is the arrival date, the counterpart to 発送日 in logistics contexts.
Compound of 発送 (dispatch) and 日 (day).