CST to IST Time Converter

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

Representative cities: New York (United States) for CST and Delhi (India) for IST.

Key Facts

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