Convert PST to JST
Compare Pacific Standard Time with Japan Standard Time using a live conversion table, meeting planner, and calendar export tools.
How PST to JST Works
Pacific Standard Time is UTC-8 and Japan Standard Time is UTC+9, creating a 17-hour time difference. This converter automatically applies the correct offset so you can translate times between North America and Japan.
Hour-by-Hour Conversion Table
Use the visual grid and hour-by-hour table to compare PST and JST across the day. Export selected times with ICS download support or send them to Google Calendar and Gmail.
Schedule Meetings Accurately
Find overlapping business hours between Pacific Standard Time and Japan Standard Time for calls and events. DST changes are tracked automatically using the IANA timezone database, including historical rule updates.
How to Convert PST to JST
Looking for Pitcairn Standard Time? See /time-converter/pst-pitcairn-time-zone.
Open the PST to JST converter: Visit https://www.xconvert.com/time-converter/pst-to-jst-converter when you need to line up Pacific Standard Time work hours with Japan Standard Time for a client call, supplier update, or engineering handoff. The page opens with Pacific Standard Time and Japan Standard Time on a visual comparison grid, so you can immediately see that JST runs far ahead of Pacific Standard Time across the 24-hour timeline.
Add comparison cities: Click + Add City to add places that commonly work with Pacific Standard Time and Japan Standard Time, such as Los Angeles, Tokyo, and Vancouver for tech, gaming, manufacturing, and cross-Pacific operations. This is useful if your team includes West Coast staff in the United States or Canada and partners in Japan, because you can compare all rows at once instead of translating times manually.
Select a meeting window on the grid: Click Select, then drag across the Pacific Standard Time row to highlight a range in purple, such as 9:00 PST to 12:00 PST, and the grid will show the matching Japan Standard Time period as 2:00 JST to 5:00 JST (next day). You can drag the center of the selection to test alternatives like 15:00 PST = 8:00 JST (next day) or resize the handles to compare whether a late Pacific Standard Time handoff works better for a morning team in Japan.
Export and share the result: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link to send the exact cross-time-zone window to coworkers or clients. This is especially practical for recurring product reviews, logistics coordination, or support escalations, because everyone receives the meeting in their own calendar context without rechecking the Pacific Standard Time to Japan Standard Time conversion.
Understanding the PST to JST Time Difference
PST (Pacific Standard Time, UTC-8) and JST (Japan Standard Time, UTC+9) are separated by 17 hours, so Japan Standard Time is 17 hours ahead of Pacific Standard Time. In practical terms, a same-day morning in Pacific Standard Time becomes the next calendar day in Japan Standard Time, which is why 9:00 PST = 2:00 JST (next day) and 12:00 PST = 5:00 JST (next day).
Pacific Standard Time is a standard-time abbreviation, and its daylight saving counterpart is PDT, while Japan Standard Time does not observe DST. That means the PST to JST difference applies specifically when Pacific Standard Time is in effect, and the relationship changes during the part of the year when Pacific time switches away from Pacific Standard Time to PDT.
This distinction matters for scheduling because companies operating in the United States, Canada, and Mexico may refer to Pacific time differently depending on season, while Japan stays on Japan Standard Time year-round. If you are coordinating with teams in Tokyo from Pacific coast offices, use the Pacific Standard Time label carefully in winter scheduling, especially for support coverage, game operations, semiconductor supply coordination, and trans-Pacific vendor meetings.
The conversion examples show how quickly the calendar rolls forward for Japan. 15:00 PST = 8:00 JST (next day) and 18:00 PST = 11:00 JST (next day), so an afternoon update in Pacific Standard Time usually lands in the next morning in Japan Standard Time, which is often useful for overnight handoffs between West Coast teams and Japanese offices.
Best Times for Calls and Meetings Between PST and JST
PST (Pacific Standard Time, UTC-8) to JST (Japan Standard Time, UTC+9) scheduling works best when Pacific Standard Time afternoons are used to reach Japan Standard Time mornings on the next day. The clearest examples are 15:00 PST = 8:00 JST (next day) and 18:00 PST = 11:00 JST (next day), which create a practical overlap for business conversations, project updates, and issue triage.
For teams trying to avoid very early starts in Japan, late Pacific Standard Time afternoon is usually the most workable part of the day. A 15:00 PST meeting reaches Japan at 8:00 JST the next day, which can support start-of-day planning for Tokyo-based staff while still fitting inside a normal workday on the Pacific coast.
Earlier Pacific Standard Time slots are possible, but they push Japan later into the next day. For example, 9:00 PST = 2:00 JST (next day) and 12:00 PST = 5:00 JST (next day), which may suit urgent coordination, follow-the-sun support, or overnight operations, but they are less suitable for standard office-hour meetings in Japan.
This pattern is common in industries with strong Pacific coast–Japan links, including technology, consumer electronics, automotive supply chains, gaming, and international shipping. A product team in California can finish a review in Pacific Standard Time late afternoon, and the Japan team can pick it up the next morning in Japan Standard Time without waiting an extra business day.
Frequently Asked Questions
What is the time difference between PST and JST?
PST (Pacific Standard Time, UTC-8) is 17 hours behind JST (Japan Standard Time, UTC+9). Put another way, Japan Standard Time is 17 hours ahead of Pacific Standard Time, so times in Japan are usually on the next calendar day compared with Pacific Standard Time.
When is 9 AM PST in JST?
9:00 PST = 2:00 JST (next day). This means a morning meeting in Pacific Standard Time lands in the early hours of the following day in Japan Standard Time, which is usually better for urgent coordination than for a normal office-hour meeting in Japan.
Does the PST to JST difference change during DST?
Yes, the 17-hour difference applies specifically to Pacific Standard Time, because Pacific Standard Time is the standard-time form of Pacific time and its DST counterpart is PDT. Japan Standard Time does not observe DST, so the difference changes during the months when Pacific time is using PDT instead of Pacific Standard Time.
What is the best meeting time between PST and JST?
A strong working window is typically late Pacific Standard Time afternoon, because it maps to next-morning Japan Standard Time. The examples 15:00 PST = 8:00 JST (next day) and 18:00 PST = 11:00 JST (next day) are especially useful for cross-border meetings, handoffs, and status updates between West Coast teams and offices in Japan.
When is 12 PM PST in JST?
12:00 PST = 5:00 JST (next day). This conversion is useful for planning noon updates from Pacific Standard Time teams when Japan-based colleagues need to review them early the following morning.
Is PST Pacific Standard Time or Pitcairn Standard Time?
On this page, PST means Pacific Standard Time (UTC-8). PST can also mean Pitcairn Standard Time (UTC-8), and if you need that meaning, use /time-converter/pst-pitcairn-time-zone instead.
Which countries use PST and JST?
Pacific Standard Time is used in Canada, Mexico, and the United States. Japan Standard Time is used in Japan, which keeps the same time standard year-round without daylight saving changes.
When is 3 PM PST in JST?
15:00 PST = 8:00 JST (next day). This is one of the most practical conversions for business use because it connects a normal Pacific Standard Time afternoon with the beginning of the next workday in Japan Standard Time.