TT
Ocean freightTransit Time
How many days the cargo takes from departure to arrival.
In practice
Quoted port to port unless stated. Transhipment can add a week or more. Check whether a quoted TT is from ETD or from cargo cut-off.
Seen in the wild
TT 28 days via Port Klang, 21 days direct.
Watch out
TT also means Telegraphic Transfer in a payment context. In a rate sheet it is transit time; in an invoice it is a bank transfer.