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IST to CST converter

Central Time (CST) is 10 hours 30 minutes behind India Standard Time (IST) for most of the year, and 11 hours 30 minutes for the rest because of daylight saving time.

India Standard Time · IST

2:31 PM

Sunday 25 October

Central Time · CDT

4:01 AM

Sunday 25 October

Right now, Central Time is 10 hours 30 minutes behind India Standard Time. Updates live from your device’s clock.

Hour by hour

Today’s conversion. Green dots mark 9-to-5 working hours.

IST to CST time conversion table for today
ISTCST
12:00 AM1:30 PMprev day
1:00 AM2:30 PMprev day
2:00 AM3:30 PMprev day
3:00 AM4:30 PMprev day
4:00 AM5:30 PMprev day
5:00 AM6:30 PMprev day
6:00 AM7:30 PMprev day
7:00 AM8:30 PMprev day
8:00 AM9:30 PMprev day
9:00 AM10:30 PMprev day
10:00 AM11:30 PMprev day
11:00 AM12:30 AM
12:00 PM1:30 AM
1:00 PM2:30 AM
2:00 PM3:30 AM
3:00 PM4:30 AM
4:00 PM5:30 AM
5:00 PM6:30 AM
6:00 PM7:30 AM
7:00 PM8:30 AM
8:00 PM9:30 AM
9:00 PM10:30 AM
10:00 PM11:30 AM
11:00 PM12:30 PM

Best time to meet

When both sides are inside 9 AM–5 PM on a weekday, in winter and in summer. If there’s no overlap, we show when both are awake (8 AM–9 PM).

Mid-January

  • 8:00 AM–8:30 AMin IST=8:30 PM–9:00 PMin CSTOutside 9–5
  • 7:30 PM–9:00 PMin IST=8:00 AM–9:30 AMin CSTOutside 9–5

Mid-July

  • 6:30 PM–9:00 PMin IST=8:00 AM–10:30 AMin CSTOutside 9–5

When the gap changes

  • 25 October 2026 → 1 November 2026CST −10h 30m
  • 1 November 2026 → 14 March 2027CST −11h 30m
  • 14 March 2027 → 7 November 2027CST −10h 30m

India Standard Time is UTC+5:30 all year. India doesn't use daylight saving time, so every change in the gap comes from the other side.

US Central Time is CST (UTC−6) in winter and CDT (UTC−5) from March to November. It covers Chicago, Dallas, Houston and Austin.

Questions

What is the time difference between India Standard Time and Central Time?

Central Time is 10 hours 30 minutes behind India Standard Time for most of the year. Because of daylight saving time, the gap is 11 hours 30 minutes for part of the year.

If it's 9 AM in India Standard Time, what time is it in Central Time?

When it's 9:00 AM in India Standard Time, it's 10:30 PM the previous day in Central Time. At 5:00 PM in India Standard Time, it's 6:30 AM in Central Time. (Based on today's offsets.)

What is the best time for a call between India Standard Time and Central Time?

Standard 9-to-5 hours don't overlap. The kindest window is 8:00 AM–8:30 AM in India Standard Time, which is 8:30 PM–9:00 PM in Central Time, when both sides are awake.

Does India Standard Time use daylight saving time?

No. India Standard Time stays on the same offset all year.

Does Central Time use daylight saving time?

Yes. Central Time's next clock changes are on Sunday, 1 November 2026 (back one hour) and Sunday, 14 March 2027 (forward one hour).