Riyadh Time to CST Converter
CST is 9 hours behind UTC+3. 9:00 AM UTC+3 = 12:00 AM CST.
CST is 9 hours behind UTC+3 at the moment. To convert Riyadh Time to CST, subtract 9 hours from the Riyadh Time time: 9:00 AM UTC+3 = 12:00 AM CST.
Riyadh Time (Riyadh time) is used in Riyadh, Saudi Arabia. CST (Central Time) is used in Chicago, Dallas, Houston, Minneapolis, New Orleans, Winnipeg; Mexico City and Central America use UTC−6 all year.
CST here means North American Central Standard Time, not China Standard Time.
Riyadh Time to CST time conversion table
Riyadh Time to CST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Riyadh Time | CST | Day |
|---|---|---|
| 12:00 AM UTC+3 | 3:00 PM CST | previous day |
| 1:00 AM UTC+3 | 4:00 PM CST | previous day |
| 2:00 AM UTC+3 | 5:00 PM CST | previous day |
| 3:00 AM UTC+3 | 6:00 PM CST | previous day |
| 4:00 AM UTC+3 | 7:00 PM CST | previous day |
| 5:00 AM UTC+3 | 8:00 PM CST | previous day |
| 6:00 AM UTC+3 | 9:00 PM CST | previous day |
| 7:00 AM UTC+3 | 10:00 PM CST | previous day |
| 8:00 AM UTC+3 | 11:00 PM CST | previous day |
| 9:00 AM UTC+3 | 12:00 AM CST | night |
| 10:00 AM UTC+3 | 1:00 AM CST | night |
| 11:00 AM UTC+3 | 2:00 AM CST | night |
| 12:00 PM UTC+3 | 3:00 AM CST | night |
| 1:00 PM UTC+3 | 4:00 AM CST | night |
| 2:00 PM UTC+3 | 5:00 AM CST | night |
| 3:00 PM UTC+3 | 6:00 AM CST | — |
| 4:00 PM UTC+3 | 7:00 AM CST | — |
| 5:00 PM UTC+3 | 8:00 AM CST | — |
| 6:00 PM UTC+3 | 9:00 AM CST | — |
| 7:00 PM UTC+3 | 10:00 AM CST | — |
| 8:00 PM UTC+3 | 11:00 AM CST | — |
| 9:00 PM UTC+3 | 12:00 PM CST | — |
| 10:00 PM UTC+3 | 1:00 PM CST | — |
| 11:00 PM UTC+3 | 2:00 PM CST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Riyadh Time to CST
Subtract 9 hours from the Riyadh Time time to get CST.
Example: 9:00 AM UTC+3 = 12:00 AM CST.
Across midnight: 1:00 AM UTC+3 = 4:00 PM CST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Riyadh Time and CST
The time difference between Riyadh Time and CST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 7 Mar 2026: CST is 9 hours behind of Riyadh Time.
- 8 Mar 2026 – 31 Oct 2026: CST is 8 hours behind of Riyadh Time.
- 1 Nov 2026 – 31 Dec 2026: CST is 9 hours behind of Riyadh Time.
Riyadh Time and CST during daylight saving time
- Riyadh Time does not observe daylight saving time; it stays on UTC+3 all year.
- CST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from CST (UTC−6) to CDT (UTC−5).
Best time for a meeting between Riyadh Time and CST
Riyadh Time and CST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM UTC+3, which is 10:00 PM CST.
Riyadh Time to CST FAQ
What is the time difference between Riyadh Time and CST?
Right now CST is 9 hours behind UTC+3. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Riyadh Time in CST?
9:00 AM UTC+3 is 12:00 AM CST.
What is 12 PM (noon) Riyadh Time in CST?
12:00 PM UTC+3 is 3:00 AM CST.
Is CST ahead of or behind Riyadh Time?
CST is 9 hours behind UTC+3, so it is earlier in CST than in Riyadh Time.
Does Riyadh Time change for daylight saving time?
No. Riyadh Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does CST change for daylight saving time?
Yes. CST next changes on 14 Mar 2027, when clocks go forward one hour from CST to CDT.
What is the best time for a meeting between Riyadh Time and CST?
Riyadh Time and CST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM UTC+3, which is 10:00 PM CST.
Is CT the same as CST?
CST is the winter (standard) name of Central Time (CT). From March to November the same clocks are called CDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert CST to Riyadh Time
Convert Riyadh Time to other time zones
Convert other time zones to CST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.