GMT to CST Time Converter

GMT refers to the Europe/London timezone, currently ++1 (GMT+1). CST refers to America/Chicago, currently --5 (GMT-5). Timezone abbreviation meanings and offsets are calculated live from the IANA tz database, so Daylight Saving Time is always applied correctly.

Representative cities: London (United Kingdom) for GMT and New York (United States) for CST.

Key Facts

• GMT (Europe/London): current live offset ++1.
• CST (America/Chicago): current live offset --5.
• Time difference is computed from live IANA tzdb offsets and may shift by one hour during DST transitions.