Clockjumper

Timezone conversion

JST to PDT Time — Convert Japan Standard Time to Pacific Daylight Time (US)

PDT is currently 16 hours behind JST. The gap shifts across the year: around January it is 17 hours behind JST, and around July it is 16 hours behind JST, because one or both zones observe daylight saving.

PDT is currently 16 hours behind JST.

JST • GMT+9 (UTC+9)
2:19 AM
Thursday, Jul 9
PDT • PDT (UTC-7)
10:19 AM
Wednesday, Jul 8

Interactive converter

12:00PM

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Full JST to PDT conversion table

JSTPDT
12:00 AM8:00 AM(previous day)
1:00 AM9:00 AM(previous day)
2:00 AM10:00 AM(previous day)
3:00 AM11:00 AM(previous day)
4:00 AM12:00 PM(previous day)
5:00 AM1:00 PM(previous day)
6:00 AM2:00 PM(previous day)
7:00 AM3:00 PM(previous day)
8:00 AM4:00 PM(previous day)
9:00 AM5:00 PM(previous day)
10:00 AM6:00 PM(previous day)
11:00 AM7:00 PM(previous day)
12:00 PM8:00 PM(previous day)
1:00 PM9:00 PM(previous day)
2:00 PM10:00 PM(previous day)
3:00 PM11:00 PM(previous day)
4:00 PM12:00 AM
5:00 PM1:00 AM
6:00 PM2:00 AM
7:00 PM3:00 AM
8:00 PM4:00 AM
9:00 PM5:00 AM
10:00 PM6:00 AM
11:00 PM7:00 AM

Daylight saving and how the gap changes

Around January the JST → PDT offset is 17 hours behind JST. Around July it is 16 hours behind JST. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.

Frequently asked questions

Is PDT ahead of or behind JST right now?
PDT is currently 16 hours behind JST.
What is the current JST to PDT time difference?
Right now the gap is 16 hours behind — PDT is 16 hours behind JST.
Does the JST → PDT offset change during the year?
Yes. Around January the offset is 17 hours behind JST; around July it is 16 hours behind JST. The converter above always reflects the correct offset for the date you pick.
Does JST observe daylight saving time?
No — Japan Standard Time stays at a fixed UTC offset year-round.
Does PDT observe daylight saving time?
Yes — Pacific Daylight Time (US) observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.
What time is 9 AM JST in PDT?
9:00 AM JST is 5:00 PM (previous day) PDT.
What time is 12 PM (noon) JST in PDT?
12:00 PM JST is 8:00 PM (previous day) PDT.
What time is 5 PM JST in PDT?
5:00 PM JST is 1:00 AM PDT.
When is the best time to schedule a call between JST and PDT?
JST and PDT have no direct 09:00–17:00 overlap on the same calendar day. Consider early-morning or late-evening slots on one side, or an asynchronous handoff.
What time zone does JST refer to?
JST refers to Japan Standard Time (IANA: Asia/Tokyo).
What time zone does PDT refer to?
PDT refers to Pacific Daylight Time (US) (IANA: America/Los_Angeles).

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