How UE knows About PRACH Time Domain Resource?

Taking example in snippet of FR1 30Khz SCS with Preamble format A1(Short sequence).

Note:- Long format(0,1,2 and 3) can’t be used with TDD pattern DDDSU(3 Downlink slots, 1 Special slot and 1 uplink slot) because for long format minimum 1ms time duration required(1ms means 1 subframe or 2 UL slots).