IST to MST Time Converter

IST refers to the Asia/Kolkata timezone, currently ++5:30 (GMT+5:30). MST refers to America/Denver, currently --6 (GMT-6). Timezone abbreviation meanings and offsets are calculated live from the IANA tz database, so Daylight Saving Time is always applied correctly.

Key Facts

• IST (Asia/Kolkata): current live offset ++5:30.
• MST (America/Denver): current live offset --6.
• Time difference is computed from live IANA tzdb offsets and may shift by one hour during DST transitions.