Should I Use Pst or Pdt?

If you specify a time (rather than a time zone), you should use the correct one (PDT or PST). Using PST to mean "the current time in the Pacific zone" is wrong (since it not only conflates a time zone with a time, but also implicitly makes "PDT" and "PST" synonyms for nearly half of the year).

Is it PST or PDT or PT?

Currently observing PDT. Areas with same time currently (UTC -7). The term Pacific Time (PT) is often used to denote the local time in areas observing either Pacific Daylight Time (PDT) or Pacific Standard Time (PST). ...

Is there a difference between PST and PDT?

PST vs PDT

The difference between PST and PDT is that PST is the standard time followed during November and mid-March while PDT is followed from mid-March to November. ... PST surpasses to the next calendar year while PDT is observed in the same year.