ARBT to CST Time Converter

Convert Arabia Standard Time (ARBT) to Central Standard Time (CST). Both time zones are shown live below; current offset between them is 8 hours behind.

Riyadh · Arabia Standard Time
02:35:09
Thursday, May 14, 2026
GMT+3 · UTC+03:00
Chicago · Central Standard Time
18:35:09
Wednesday, May 13, 2026
CDT · UTC-05:00

Convert a specific time

From: ARBT (Riyadh)
To: CST (Chicago)
--:--

Daylight Saving status right now

ARBT (Arabia Standard Time)
Observes DST
No
CST (Central Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-05:00 → UTC-06:00

Heads up: CST observes DST while ARBT does not. The 8-hour difference shown above will shift by one hour when CST starts or ends DST.

When can ARBT and CST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
ARBT
CST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Riyadh (ARBT). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 16:00–18:00 ARBT (08:00–10:00 CST).

Hour-by-hour ARBT to CST conversion table

ARBT time (Riyadh)CST time (Chicago)Status
00:00 Thu16:00 WedCST working
01:00 Thu17:00 WedOff-hours both sides
02:00 Thu18:00 WedOff-hours both sides
03:00 Thu19:00 WedOff-hours both sides
04:00 Thu20:00 WedOff-hours both sides
05:00 Thu21:00 WedOff-hours both sides
06:00 Thu22:00 WedOff-hours both sides
07:00 Thu23:00 WedOff-hours both sides
08:00 Thu00:00 ThuOff-hours both sides
09:00 Thu01:00 ThuARBT working
10:00 Thu02:00 ThuARBT working
11:00 Thu03:00 ThuARBT working
12:00 Thu04:00 ThuARBT working
13:00 Thu05:00 ThuARBT working
14:00 Thu06:00 ThuARBT working
15:00 Thu07:00 ThuARBT working
16:00 Thu08:00 ThuARBT working
17:00 Thu09:00 ThuCST working
18:00 Thu10:00 ThuCST working
19:00 Thu11:00 ThuCST working
20:00 Thu12:00 ThuCST working
21:00 Thu13:00 ThuCST working
22:00 Thu14:00 ThuCST working
23:00 Thu15:00 ThuCST working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Arabia Standard Time (ARBT)
IANA identifier
Asia/Riyadh
Current UTC offset
UTC+03:00
Current abbreviation
GMT+3
Major cities in this zone
RiyadhJeddah
Central Standard Time (CST)
IANA identifier
America/Chicago
Current UTC offset
UTC-05:00
Current abbreviation
CDT
Major cities in this zone
ChicagoHoustonDallasAustinNew Orleans

Sun today in Riyadh and Chicago

Riyadh
Sunrise
05:11
Sunset
18:30
Solar noon
11:50
Daylight
13h 18m
Chicago
Sunrise
05:33
Sunset
20:02
Solar noon
12:48
Daylight
14h 28m

Related converters

CST to ARBT (reverse)ARBT to ESTARBT to PSTARBT to GMTARBT to UTCARBT to CETEST to CSTPST to CSTGMT to CSTUTC to CSTCET to CST
Looking for local time? See time in Riyadh or time in Chicago.

Frequently asked questions

What is the time difference between ARBT and CST right now?+
CST (Central Standard Time) is currently 8 hours behind ARBT (Arabia Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does ARBT or CST observe daylight saving time?+
ARBT: does not observe daylight saving time. CST: observes daylight saving time.
When is the best time to schedule a meeting between ARBT and CST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 16:00–18:00 ARBT (08:00–10:00 CST).
What time is it in Chicago when it is 12:00 noon in Riyadh?+
When it is 12:00 Thu in Riyadh (ARBT), it is 04:00 Thu in Chicago (CST).
Which IANA time zone identifiers are used for ARBT and CST?+
ARBT maps to "Asia/Riyadh" in the IANA database. CST maps to "America/Chicago". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Riyadh ahead of or behind Chicago?+
Whether Riyadh (ARBT) is ahead of or behind Chicago (CST) depends on the current UTC offsets. Right now CST is 8 hours behind ARBT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for ARBT and CST?+
ARBT is UTC+03:00 (GMT+3) and CST is UTC-05:00 (CDT). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both ARBT and CST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between ARBT and CST is 16:00–18:00 ARBT.