3 ms·
If they use PST in the summer you can be pretty sure they mean PDT, at least, especially if you are somewhere where the abbreviation is unambiguously US Pacific
by dmurray 8y ago
If they use PST in the summer you can be pretty sure they mean PDT, at least, especially if you are somewhere where the abbreviation is unambiguously US Pacific Standard Time. With GMT/UTC there's some chance they were trying to express the time in a "standardized" way.
- StavrosK 8y agoYes, if you're already familiar with PDT... Not so much if someone says "X AM PST" and you just plug it into your calendar.