For example:
Subscribe to the bond fund on Monday afternoon 16. The actual T-day is Tuesday, and the net value will be calculated after Tuesday's close (announced on Tuesday night). The deal will be confirmed on Wednesday.
Redeem the bond fund on Monday afternoon 16. The actual T-day is Tuesday, and the net value will be calculated after Tuesday's close (announced on Tuesday night). The transaction will be confirmed on Wednesday, and T+3-5 will arrive, as early as Friday.