JST vs PST Time Difference
See the current hour difference between Japan Standard Time and Pacific Time, including DST shifts and the best times to schedule meetings.
JST and PST Difference
View the live time difference between JST (UTC+9) and PST (UTC-8). Japan does not observe DST, while Pacific Time can shift seasonally, changing the gap.
DST Impact on Pacific
Track how Daylight Saving Time affects Pacific Time while JST stays fixed all year. Automatic updates reflect current and historical rules from the IANA timezone database.
Best Meeting Time Slots
Use the visual hour grid and hour-by-hour comparison table to find overlap windows for Japan and Pacific Time. Export selected times with ICS download or share via Google Calendar and Gmail.
How to Find the Time Difference Between JST and PST
Open the JST vs PST page: Go to
https://www.xconvert.com/time-converter/jst-vs-pstto open the comparison grid with JST and PST ready to view side by side. This is useful when you are scheduling a call between a team in Japan and partners on the U.S. or Canadian West Coast, or checking whether a Tokyo workday overlaps with Pacific business hours.Add comparison cities: Click + Add City and search for cities that matter to your workflow, such as Tokyo for Japan-based operations, Los Angeles for West Coast media and tech meetings, or Vancouver for Canada-Pacific coordination. This helps if you work with game studios, electronics suppliers, logistics teams, or customer support operations that need to align Japan Standard Time with Pacific schedules.
Select a meeting window on the grid: Click Select to enter selection mode, then drag across the colored timeline in the JST row to highlight a range in purple; you can resize it with the left and right handles or move it by dragging the center. For example, selecting 9:00 JST to 12:00 JST shows 16:00 PST to 19:00 PST on the previous day, which immediately tells you that a Tokyo morning meeting lands in the late afternoon and evening in Pacific Standard Time.
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. This is practical when you need to send a confirmed cross-border meeting to a Japan-based supplier, invite a Pacific-based client through Gmail, or share a link with a distributed team so everyone sees the same overlap window.
JST vs PST Offset Explained
JST is Japan Standard Time, UTC+9, while PST is Pacific Standard Time, UTC-8. JST is 17 hours ahead of PST, which means PST is -17 hours behind JST. In practical terms, when it is 9:00 JST, it is 16:00 PST on the previous day; when it is 12:00 JST, it is 19:00 PST on the previous day; when it is 15:00 JST, it is 22:00 PST on the previous day; and when it is 18:00 JST, it is 1:00 PST.
This large gap matters for real scheduling decisions. A standard business morning in Japan often maps to the previous afternoon or evening in Pacific time, which affects product handoffs, live support coverage, and executive calls between Tokyo and West Coast offices. Companies in electronics, automotive supply chains, gaming, cloud services, and international shipping often use this comparison to find the narrow overlap between Japan daytime hours and Pacific late-day availability.
JST does not observe daylight saving time, so Japan stays on the same UTC+9 offset all year. PST, however, is specifically a standard-time abbreviation, and its daylight saving counterpart is PDT. That means the JST vs PST comparison is most relevant when Pacific locations are on standard time; during daylight saving periods in Pacific regions, the abbreviation changes, so users planning seasonal meetings should confirm whether they are comparing against PST or PDT before sending invites.
Geographically, JST applies to Japan, while PST is used in parts of Canada, Mexico, the Philippines, and the United States. For multinational teams, that means the same PST label may appear in workflows involving North American offices, outsourced support functions, or travel itineraries that touch Pacific-facing business hubs. If you are coordinating across these regions, the grid view is especially useful because it shows whether your selected hours fall into green work-hour blocks, evening yellow blocks, or gray overnight periods.
Frequently Asked Questions
What is the time difference between JST and PST?
JST is 17 hours ahead of PST, and PST is -17 hours behind JST. A simple way to see it is through common conversions: 9:00 JST = 16:00 PST (previous day) and 15:00 JST = 22:00 PST (previous day). This makes the relationship especially important for teams trying to schedule across Japan and Pacific business centers.
Is Japan ahead of Pacific Standard Time?
Yes, Japan is ahead of Pacific Standard Time by 17 hours. That means a morning schedule in Japan often lines up with the previous day in Pacific time, such as 12:00 JST = 19:00 PST (previous day). For remote teams, this usually limits live collaboration to Japan evenings or Pacific late afternoons and nights.
Does JST have daylight saving time?
No, JST does not observe DST. Japan remains on UTC+9 throughout the year, which makes scheduling on the Japan side consistent across all seasons. The seasonal complication usually comes from the Pacific side, because PST is only the standard-time abbreviation.
Is PST the same as Pacific time year-round?
No, PST is not the year-round label for all Pacific time usage. PST refers to standard time, while PDT is the daylight saving counterpart used seasonally. If you are setting meetings with contacts in California, Washington, British Columbia, or other Pacific-linked regions, make sure the calendar invite reflects whether they are on PST or PDT at that time.
What time in PST is 9:00 AM JST?
9:00 JST = 16:00 PST on the previous day. This is a common planning reference for companies in Japan that want to reach Pacific-based teams before the U.S. workday ends. It shows that a Tokyo morning call often needs Pacific participants to join in the late afternoon of the day before.
What time in PST is noon in Japan?
12:00 JST = 19:00 PST on the previous day. This is useful for trade, operations, and vendor communication because a midday update from Japan reaches Pacific contacts in the early evening before the next local business day. If your team depends on same-day responses, this conversion helps you decide whether to send an update live or asynchronously.
What time in PST is 3:00 PM JST?
15:00 JST = 22:00 PST on the previous day. That is already late at night in Pacific Standard Time, so it is usually not ideal for live meetings unless the Pacific team works extended support, media, gaming, or infrastructure shifts. For most office-based teams, this conversion suggests using recorded updates, shared documents, or next-day follow-ups instead of a live call.
What time in PST is 6:00 PM JST?
18:00 JST = 1:00 PST. This is one of the clearest examples of how quickly the overlap disappears once the Japan workday moves into evening hours. It may still work for overnight operations teams, incident response staff, or global service desks, but it is generally outside normal Pacific office hours.
Which countries use JST and PST?
JST is used in Japan. PST is used in Canada, Mexico, the Philippines, and the United States. This makes the comparison relevant not only for Japan-U.S. business, but also for regional coordination involving Pacific-facing operations, outsourced services, and multinational support teams.
How do I schedule a meeting between Japan and Pacific time?
Start by identifying whether the Pacific side is specifically on PST, since that is the standard-time version of Pacific time. Then use the grid to compare a Japan work window against Pacific availability; for example, 9:00 JST to 12:00 JST corresponds to 16:00 PST to 19:00 PST on the previous day, which can work for late-day Pacific meetings. Once you find a suitable overlap, export it as an ICS file, send it through Google Calendar or Gmail, or share the link so everyone sees the meeting in local time.