Convert IST to PST

IST (India Standard Time, UTC+5:30) to PST (Pacific Standard Time, UTC-8) conversion is used when coordinating schedules between India and the Pacific time zone in Canada, Mexico, and the United States. India Standard Time is 13 hours 30 minutes ahead of Pacific Standard Time, so a morning time in India often falls on the previous day in Pacific 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 Convert IST to PST

1. Open the IST to PST converter: Go to https://www.xconvert.com/time-converter/ist-to-pst-converter to open a comparison grid with India Standard Time and Pacific Standard Time already shown as timeline rows. This is useful when you need to plan a client call between India and the U.S. West Coast, schedule a support handoff, or line up a product meeting between teams in India and North America.

2. Add relevant comparison cities: Click + Add City and search for cities that matter to your workflow, such as Indian hubs for engineering and outsourcing or Pacific coast business centers for technology, media, and customer support operations. Adding multiple rows helps if you are comparing India Standard Time against several Pacific Standard Time locations used by remote teams, travel coordinators, or cross-border sales staff in Canada, Mexico, and the United States.

3. Drag to select a meeting window: Click Select, then drag across the grid on the India Standard Time row to highlight a time range in purple; you can move the whole range by dragging the center or fine-tune it with the left and right handles. For example, selecting 9:00 IST shows 19:30 PST on the previous day, while 12:00 IST = 22:30 PST on the previous day, 15:00 IST = 1:30 PST, and 18:00 IST = 4:30 PST, which quickly shows why India daytime meetings often land in Pacific evening or overnight hours.

4. Export and share the selected time: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is practical for sending a confirmed meeting slot to a distributed team, dropping the timing into an email thread, or creating a calendar event that colleagues in India and Pacific Standard Time regions can save without manually converting the hours.

Understanding the IST to PST Time Difference

India Standard Time uses UTC+5:30, while Pacific Standard Time uses UTC-8. The fixed difference on this page is 13 hours 30 minutes, with India Standard Time ahead of Pacific Standard Time.

That means times in India often map to the previous day in Pacific Standard Time. The examples make this clear: 9:00 IST = 19:30 PST (previous day) and 12:00 IST = 22:30 PST (previous day), so an India morning schedule can correspond to a Pacific evening schedule on the calendar day before.

India Standard Time does not observe daylight saving time, so its offset stays the same throughout the year. Pacific Standard Time is a standard-time abbreviation, and its daylight saving counterpart is PDT, which means the IST-to-Pacific difference changes during the part of the year when Pacific locations are on daylight time rather than standard time.

For practical scheduling, this matters most for recurring meetings. If your team in India works with partners in California, British Columbia, Baja California, or other Pacific-facing operations in Canada, Mexico, and the United States, a meeting that fits during Pacific Standard Time may shift when those regions switch to PDT, even though India Standard Time itself never changes.

Best Times for Calls and Meetings Between IST and PST

India Standard Time is 13 hours 30 minutes ahead of Pacific Standard Time, so the easiest way to evaluate meeting windows is to start from the India side and see where they land in Pacific time. The supplied examples show that 9:00 IST becomes 19:30 PST on the previous day, and 12:00 IST becomes 22:30 PST on the previous day, which can work for late Pacific evening coordination but is usually outside normal office hours.

Later India times move into the Pacific overnight and early morning period. 15:00 IST = 1:30 PST and 18:00 IST = 4:30 PST, so an India afternoon slot can align with very early Pacific morning coverage, which is sometimes useful for engineering handoffs, overnight operations teams, cloud infrastructure monitoring, and customer support transitions.

For business calls, the most realistic overlap is usually found by balancing late evening in India against early morning in Pacific Standard Time, or early morning in India against late evening in Pacific Standard Time on the previous day. This pattern is common for software development teams, outsourced operations, finance back-office support, and global account management where India-based teams need same-day touchpoints with companies on the U.S. and Canadian West Coast.

If you are scheduling a recurring meeting, avoid assuming the same Pacific label year-round. India Standard Time remains constant, but Pacific Standard Time changes to PDT during daylight saving periods, so recurring calls with teams in the Pacific region should be reviewed seasonally to prevent accidental one-hour shifts.

Frequently Asked Questions

What is the time difference between IST and PST?

India Standard Time is 13 hours 30 minutes ahead of Pacific Standard Time. In the other direction, Pacific Standard Time is 13 hours 30 minutes behind India Standard Time, which is why many India daytime hours fall on the previous calendar day in Pacific time.

This gap is especially important for remote work planning. A normal morning in India can already be the prior evening in Pacific Standard Time, so teams handling product reviews, support escalations, and handoffs need to confirm both the clock time and the date.

When is 9 AM IST in PST?

9:00 IST = 19:30 PST on the previous day. This means a 9 AM start in India lines up with 7:30 PM in Pacific Standard Time the evening before.

That conversion is often used for next-day preparation calls, end-of-day status updates, or sending meeting invites to West Coast colleagues before they log off. It also shows why a standard India morning meeting may not be ideal for Pacific teams unless they are available in the evening.

Does the IST to PST difference change during daylight saving time?

Yes, the Pacific side changes seasonally because Pacific Standard Time has a daylight saving counterpart called PDT, while India Standard Time does not observe DST. So the 13 hours 30 minutes difference applies specifically to Pacific Standard Time, and the relationship changes when Pacific locations move onto daylight time.

This matters most for recurring meetings and automated calendar invitations. If your company schedules weekly calls between India and Pacific offices, the India time may need adjustment during the months when Pacific regions are observing PDT instead of Pacific Standard Time.

What is the best meeting time between IST and PST?

The most workable windows usually come from choosing either early India morning with Pacific previous-evening availability or late India afternoon/evening with Pacific early-morning availability. The examples show this clearly: 9:00 IST = 19:30 PST (previous day) and 18:00 IST = 4:30 PST, so the overlap is narrow and often outside one side’s standard office day.

For real teams, the best slot depends on who needs convenience. Sales calls with West Coast clients may favor Pacific evening or morning, while engineering handoffs may accept India evening if it allows Pacific teams to respond at the start of their day.

When is 12 PM IST in PST?

12:00 IST = 22:30 PST on the previous day. Noon in India therefore maps to 10:30 PM in Pacific Standard Time the night before.

This is usually too late for a standard business meeting in Pacific offices, but it can still be useful for asynchronous collaboration. Teams often use this kind of timing for sending reports, release notes, QA summaries, or project updates that Pacific colleagues can review before the next workday.

Is IST India Standard Time or Irish Standard Time?

On this page, IST means India Standard Time (UTC+5:30). Irish Standard Time is a different meaning of IST and has its own page at /time-converter/ist-ireland-time-zone, while Israel Standard Time is also different and appears at /time-converter/ist-israel-time-zone.

This distinction matters because the abbreviation IST is ambiguous in international scheduling. If you are booking a call, always confirm that IST refers to India Standard Time before sending invites, especially when working with multinational teams or calendar abbreviations.

Is PST Pacific Standard Time or Pitcairn Standard Time?

On this page, PST means Pacific Standard Time (UTC-8). Pitcairn Standard Time is a separate meaning of PST and is covered at /time-converter/pst-pitcairn-time-zone.

This distinction is important when abbreviations appear without a city or country. For business scheduling across Canada, Mexico, and the United States, PST almost always refers to Pacific Standard Time, but formal invites should still use the full name to avoid confusion.

When is 3 PM IST in PST?

15:00 IST = 1:30 PST. A 3 PM schedule in India therefore lands at 1:30 AM in Pacific Standard Time.

That is usually impractical for live meetings, but it can be useful for overnight processing, scheduled deployments, and support queue handoffs. Teams in software, infrastructure, and managed services sometimes use this timing when work in India needs to be ready before Pacific staff begin their day.

When is 6 PM IST in PST?

18:00 IST = 4:30 PST. This places an India early-evening meeting into the very early morning in Pacific Standard Time.

That can work for urgent coordination, operations teams, or executives who prefer an early Pacific start. It is also one of the more realistic same-day live touchpoints when India-based teams need to connect with Pacific colleagues before the West Coast business day fully begins.