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GST to CST Converter

CST is 9 hours behind GST for most of the year. The gap changes for a few weeks a year because the two places switch to daylight saving time on different dates.

CST to GST instead

Time difference between GST and CST

CST is 9 hours behind GST for most of the year.

  • 2026: CST is 10 hours behind GST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026.
  • 2027: CST is 10 hours behind GST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.

GST to CST conversion table

GSTCSTMost of the yearCSTJan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026
12 AM3 PM−1 day2 PM−1 day
1 AM4 PM−1 day3 PM−1 day
2 AM5 PM−1 day4 PM−1 day
3 AM6 PM−1 day5 PM−1 day
4 AM7 PM−1 day6 PM−1 day
5 AM8 PM−1 day7 PM−1 day
6 AM9 PM−1 day8 PM−1 day
7 AM10 PM−1 day9 PM−1 day
8 AM11 PM−1 day10 PM−1 day
9 AM12 AM11 PM−1 day
10 AM1 AM12 AM
11 AM2 AM1 AM
12 PM3 AM2 AM
1 PM4 AM3 AM
2 PM5 AM4 AM
3 PM6 AM5 AM
4 PM7 AM6 AM
5 PM8 AM7 AM
6 PM9 AM8 AM
7 PM10 AM9 AM
8 PM11 AM10 AM
9 PM12 PM11 AM
10 PM1 PM12 PM
11 PM2 PM1 PM

Best time to meet

A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 4 PM – 9 PM GST (7 AM – 12 PM CST).

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Frequently asked questions

What time is it in CST when it's 9 AM in GST?

12 AM for most of the year. CST is 9 hours behind GST.

How many hours is CST behind GST?

Usually 9 hours. The gap changes for a few weeks a year because daylight saving time starts and ends on different dates: 2026: CST is 10 hours behind GST from Jan 1 – Mar 7, 2026, Nov 1 – Dec 31, 2026. 2027: CST is 10 hours behind GST from Jan 1 – Mar 13, 2027, Nov 7 – Dec 31, 2027.

Does GST use daylight saving time?

No. Gulf Standard Time stays at UTC+4 all year.

Does CST use daylight saving time?

Yes. Central Time is UTC−6 (CST) in January and UTC−5 (CDT) in July. Mar 8, 2026: clocks go forward to UTC−5; Nov 1, 2026: clocks go back to UTC−6.

When is the best time to schedule a meeting between GST and CST?

A regular 9 AM – 5 PM day doesn't overlap. If one side starts early or stays late (7 AM – 9 PM), you can meet 4 PM – 9 PM GST (7 AM – 12 PM CST).

Which GST and CST does this page use?

GST here means Gulf Standard Time (UTC+4), not South Georgia Time. Here CST means US Central Time (UTC−6, CDT UTC−5 in summer), not China Standard Time. For China, see the Beijing pages.

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