In the graph below you see the time zone difference between Pacific Standard Time and India Standard Time. Drag the bubble to adjust the time and to see the corresponding time in the other time zone.
Pacific Standard Time is the time zone of the Canadian and US West Coast, including cities like Seattle, Vancouver, San Francisco and Los Angeles. India Standard Time is the time zone of India, with places like New Delhi, Mumbai, Bangalore, Kolkata and Colombo.
Usually it is preferable to schedule meetings in the early morning, or late evening for the person in PST and in the evening, or early morning for the person in IST.
Pacific Standard Time is the time of the Western United States and Canada and is typically abbreviated as PST. It is 8 hours behind GMT. This means that when the clock is noon in London (GMT), it is 4AM in Seattle (PST).
Most of the Western US and Canada are following Pacific Standard Time.
This can be a bit tricky as most states on the US Pacific Coast do apply daylight saving time, calling PST for PDT, or Pacific Daylight Time, instead and sets the clocks in November and March respectively.
India, Sri Lanka
Delhi, Colombo, Kolkata and Mumbai
This timezone does not observe daylight saving time so the time difference always stay the same. You however need to pay attention to if the other time zone is observing DST as this will make a difference.
IST can also refer to Irish Standard Time or Israeli Standard time, but most of the times it is India that is being referred to – just make sure to double check this before you send that calendar invite!