India Standard Time (ist) is used in India. The IANA timezone identifier is Asia/Kolkata.

Pacific Daylight Time (pdt) is used in USA. The IANA timezone identifier is America/Los_Angeles.

IST to PDT Time Converter

India Standard Time → Pacific Daylight Time

IST = UTC+5:30PDT = UTC-7

⚠️ IST is ambiguous — on this page it means India Standard Time. It also refers to:

Ireland Standard Time (Dublin) → PDT ↗Israel Standard Time (Jerusalem) → PDT ↗

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

PDT (Los Angeles)

USA · -12.5h

20:30-1 day

London

United Kingdom · -4.5h

04:30

New York

USA · -9.5h

23:30-1 day

Tokyo

Japan · +3.5h

12:30

Dubai

United Arab Emirates · -1.5h

07:30

How far apart are IST (Mumbai) and PDT (Los Angeles)?

IST (Mumbai) is 12 hours 30 minutes ahead of PDT (Los Angeles). When IST (Mumbai) clocks hit noon, PDT (Los Angeles) reads 23:00.

IST (Mumbai) runs on Asia/Kolkata; PDT (Los Angeles) runs on America/Los_Angeles. Together they are 12.5 hours 30 minutes apart.

Daily overlap window

There is no business hours overlap between IST (Mumbai) and PDT (Los Angeles) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.

Best times to schedule a meeting

IST (Mumbai) and PDT (Los Angeles) have no shared working window. These slots minimize out-of-hours disruption for both sides.

05:00 Mumbai / 16:00 Los Angeles⚡ One side off-hours

⚠️ 4h before working hours in Mumbai

09:00 Mumbai / 20:00 Los Angeles⚡ One side off-hours

⚠️ 4h after working hours in Los Angeles

04:00 Mumbai / 15:00 Los Angeles⚡ One side off-hours

⚠️ 5h before working hours in Mumbai

Working hours defined as 09:00–17:00 local time for each location.

Holiday calendar for both locations

IST (Mumbai)

No upcoming public holidays this year.

PDT (Los Angeles)7 holidays

Jul 3Independence DaySOON

Sep 7Labour Day

Oct 12Columbus Day

Oct 12Indigenous Peoples' Day

Nov 11Veterans Day

Working across IST (Mumbai) and PDT (Los Angeles)

Coordinating between IST (Mumbai) (India) and PDT (Los Angeles) (USA) means working around a 12.5-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.

💡 Best practice for cross-timezone meetings

⚡

A 05:00 meeting in IST (Mumbai) means 16:00 in PDT (Los Angeles) (4h before working hours in Mumbai).

⚡

A 09:00 meeting in IST (Mumbai) means 20:00 in PDT (Los Angeles) (4h after working hours in Los Angeles).

⚡

A 04:00 meeting in IST (Mumbai) means 15:00 in PDT (Los Angeles) (5h before working hours in Mumbai).

Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.

Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.

Add to your browser — Free →

Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am IST (Mumbai)".

IST (Mumbai) ↔ PDT (Los Angeles)

No overlap — one side will join outside working hours

IST (Mumbai)

PDT (Los Angeles)