Convert IST to PST

IST (India Standard Time, UTC+5:30) is 13 hours 30 minutes ahead of PST (Pacific Standard Time, UTC-8), which means Pacific Standard Time is 13 hours 30 minutes behind India Standard Time.

Looking for Irish Standard Time? See /time-converter/ist-ireland-time-zone.
Looking for Israel Standard Time? See /time-converter/ist-israel-time-zone.
Looking for Pitcairn Standard Time? See /time-converter/pst-pitcairn-time-zone.

How to Find the Time Difference Between IST and PST

1. Open the IST vs PST converter: Go to https://www.xconvert.com/time-converter/ist-vs-pst to see India Standard Time and Pacific Standard Time compared on a visual 24-hour grid. This view is useful when you are planning a customer call between India and the west coast of North America, coordinating a software handoff between an India engineering team and colleagues in the United States, Canada, or Mexico, or checking whether a support shift overlaps with business hours.

2. Add comparison cities with + Add City: Click + Add City and add cities that matter to your schedule, such as Mumbai or Delhi for India Standard Time and Los Angeles, Vancouver, or Tijuana for Pacific Standard Time. This helps teams in IT services, product development, outsourcing, and cross-border operations see whether India office hours overlap with Pacific-facing sales, design, or customer success teams.

3. Drag across the grid to select a meeting window: Click Select if needed, then drag across the colored timeline to highlight a time range in purple, and adjust it with the left or right handles or move the whole block by dragging the center. For example, selecting 9:00 IST to 12:00 IST shows 19:30 PST to 22:30 PST on the previous day, which quickly tells you that a standard India morning meeting lands in Pacific Standard Time evening the night before; selecting 15:00 IST shows 1:30 PST, and 18:00 IST shows 4:30 PST, which is more practical for early-start teams on the Pacific side.

4. Choose a date and export the result: Use the date picker row at the top to choose the exact day you want to review, then export the selected range through ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is useful when a recruiter in India needs to send interview slots to candidates on the Pacific coast, or when a remote team lead wants everyone to receive the meeting in their own calendar without manually converting India Standard Time and Pacific Standard Time.

IST vs PST Offset Explained

India Standard Time is UTC+5:30 and Pacific Standard Time is UTC-8. The fixed relationship on this page is that India Standard Time is 13 hours 30 minutes ahead of Pacific Standard Time, or viewed the other way, Pacific Standard Time is 13 hours 30 minutes behind India Standard Time.

That gap has immediate scheduling consequences for business communication. When it is 9:00 IST, it is 19:30 PST on the previous day, and when it is 12:00 IST, it is 22:30 PST on the previous day. This makes India mornings better suited to Pacific evening calls, while later India afternoon times such as 15:00 IST = 1:30 PST and 18:00 IST = 4:30 PST can support early-morning Pacific standups, operations reviews, or release coordination.

India Standard Time does not observe DST, so its offset remains stable throughout the year. Pacific Standard Time is a standard-time abbreviation, and its daylight saving counterpart is PDT, so anyone scheduling recurring meetings with participants in the United States, Canada, or Mexico should confirm whether the Pacific-side participant is currently on standard time or daylight time before sending invitations, especially for quarterly planning, vendor meetings, and support coverage rosters.

Geographically, India Standard Time applies in India, while Pacific Standard Time is used in parts of Canada, Mexico, and the United States. That makes this comparison especially relevant for outsourcing partnerships, SaaS support teams, semiconductor and gaming companies with India engineering talent, and travel planning for itineraries that connect Indian departures with west coast arrivals and onward domestic schedules.

Practical Scheduling Between India Standard Time and Pacific Standard Time

India Standard Time and Pacific Standard Time are far enough apart that the best overlap usually comes from late afternoon or evening in India Standard Time and very early morning in Pacific Standard Time, or morning in India Standard Time with the previous evening in Pacific Standard Time. For example, 18:00 IST = 4:30 PST, which can work for operations teams, cloud infrastructure staff, and global support desks that start early on the Pacific coast.

This pattern is common in industries that run distributed workflows. Indian software development teams often complete builds, QA cycles, or overnight support queues before Pacific product managers or customer teams begin their day, while Pacific-based stakeholders can review work during their morning and hand back priorities before India closes. The 13 hours 30 minutes gap supports a follow-the-sun model, but it also means spontaneous same-day meetings are harder unless both sides agree to early or late working hours.

For travelers and international coordinators, the previous-day effect matters just as much as the hour difference. A call scheduled for 9:00 IST is not a same-day evening call in Pacific Standard Time; it is 19:30 PST on the previous day, which can affect hotel check-in planning, airport transfer coordination, conference agendas, and interview scheduling when one participant is in India and the other is on the Pacific coast.

Frequently Asked Questions

What is the time difference between India Standard Time and Pacific Standard Time?

India Standard Time is 13 hours 30 minutes ahead of Pacific Standard Time. Put another way, Pacific Standard Time is 13 hours 30 minutes behind India Standard Time, so a normal workday in India often lines up with the previous evening or very early morning on the Pacific side.

This is why teams working between India and the west coast of North America usually choose either India evening meetings or Pacific evening meetings. The exact examples on this page show that 9:00 IST = 19:30 PST (previous day) and 18:00 IST = 4:30 PST.

How do I convert 9 AM India Standard Time to Pacific Standard Time?

9:00 IST = 19:30 PST on the previous day. That previous-day detail is important for calendar invites, because someone in Pacific Standard Time would attend the meeting the night before the India date shown on the invitation.

This conversion is especially relevant for offshore delivery teams, interview scheduling, and customer onboarding calls. If an India-based team proposes a 9 AM slot, Pacific participants need to think in terms of the prior evening rather than the same calendar date.

Is 12 PM India Standard Time a good time for a call with Pacific Standard Time?

12:00 IST = 22:30 PST on the previous day, so it is generally a late-evening slot for Pacific Standard Time participants. That can work for urgent handoffs, production issues, or one-off executive meetings, but it is usually less convenient for recurring team calls.

For a more practical overlap, many teams look later in the India day. The examples here show 15:00 IST = 1:30 PST and 18:00 IST = 4:30 PST, which may be easier for Pacific teams that start early or need pre-business-hour coordination.

Does India Standard Time observe daylight saving time?

India Standard Time does not observe DST, so it stays at UTC+5:30 year-round. That consistency helps with recurring schedules for finance, engineering, support, and vendor management because the India side does not shift seasonally.

Pacific Standard Time, however, is specifically the standard-time form of Pacific time. Its daylight saving counterpart is PDT, so if you are arranging meetings with contacts in the United States, Canada, or Mexico, confirm whether they are currently using Pacific Standard Time or Pacific Daylight Time before finalizing a recurring schedule.

Is IST India Standard Time or Irish Standard Time?

On this page, IST means India Standard Time (UTC+5:30). If you are looking for Irish Standard Time (UTC+1), use /time-converter/ist-ireland-time-zone, and if you are looking for Israel Standard Time (UTC+2), use /time-converter/ist-israel-time-zone.

This distinction matters because the abbreviation IST is used for multiple time zones, and choosing the wrong one can shift a meeting by several hours. For international recruiting, remote engineering interviews, and travel bookings, always confirm that IST refers to India Standard Time before sending invitations.

Is PST Pacific Standard Time or Pitcairn Standard Time?

On this page, PST means Pacific Standard Time (UTC-8). If you are looking for Pitcairn Standard Time (UTC-8), use /time-converter/pst-pitcairn-time-zone.

Even though both use the same UTC offset here, the meaning still matters for location-specific scheduling, travel documents, and regional business context. Pacific Standard Time is the relevant label for participants in parts of Canada, Mexico, and the United States.

What are the best working hours between India Standard Time and Pacific Standard Time?

The most workable windows are usually when India Standard Time is in the late afternoon or evening and Pacific Standard Time is in the early morning, or when India Standard Time is in the morning and Pacific Standard Time is in the previous evening. The examples on this page illustrate both patterns: 9:00 IST = 19:30 PST (previous day) and 18:00 IST = 4:30 PST.

In practice, this supports handoffs between India-based developers and Pacific-based product, design, or support teams. Companies often reserve these overlap windows for standups, release reviews, incident response, and client-facing meetings that need live discussion rather than asynchronous updates.