WWW · When
Zulu Time Trainer
Every METAR is stamped in Zulu (UTC) — the same clock for every pilot on Earth. Turn the local clock and watch Zulu respond.
Pacific time is on PDT today.
Local · PDT — drag the orange hand
Zulu · UTC
18:00 (6:00 PM PDT) + 7 h = 25:00 → 0100Z tomorrow
Past 24:00, so subtract 24 and flip the calendar forward one day.