WEST to CST Time Converter

Convert Western European Summer Time (WEST) to Central Standard Time (CST). Both time zones are shown live below; current offset between them is 6 hours behind.

Lisbon · Western European Summer Time
08:18:04
Saturday, May 23, 2026
GMT+1 · UTC+01:00
Chicago · Central Standard Time
02:18:04
Saturday, May 23, 2026
CDT · UTC-05:00

Convert a specific time

From: WEST (Lisbon)
To: CST (Chicago)
--:--

Daylight Saving status right now

WEST (Western European Summer Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00
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

When can WEST 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
WEST
CST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Lisbon (WEST). Each row shows the local working-hours state in that zone for the same moment in time.
2 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 15:00–16:00 WEST (09:00–10:00 CST).

Hour-by-hour WEST to CST conversion table

WEST time (Lisbon)CST time (Chicago)Status
00:00 Sat18:00 FriOff-hours both sides
01:00 Sat19:00 FriOff-hours both sides
02:00 Sat20:00 FriOff-hours both sides
03:00 Sat21:00 FriOff-hours both sides
04:00 Sat22:00 FriOff-hours both sides
05:00 Sat23:00 FriOff-hours both sides
06:00 Sat00:00 SatOff-hours both sides
07:00 Sat01:00 SatOff-hours both sides
08:00 Sat02:00 SatOff-hours both sides
09:00 Sat03:00 SatWEST working
10:00 Sat04:00 SatWEST working
11:00 Sat05:00 SatWEST working
12:00 Sat06:00 SatWEST working
13:00 Sat07:00 SatWEST working
14:00 Sat08:00 SatWEST working
15:00 Sat09:00 SatBoth at work
16:00 Sat10:00 SatBoth at work
17:00 Sat11:00 SatCST working
18:00 Sat12:00 SatCST working
19:00 Sat13:00 SatCST working
20:00 Sat14:00 SatCST working
21:00 Sat15:00 SatCST working
22:00 Sat16:00 SatCST working
23:00 Sat17:00 SatOff-hours both sides

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

Western European Summer Time (WEST)
IANA identifier
Europe/Lisbon
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
Lisbon
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 Lisbon and Chicago

Chicago
Sunrise
05:24
Sunset
20:12
Solar noon
12:48
Daylight
14h 47m

Related converters

CST to WEST (reverse)WEST to ESTWEST to PSTWEST to GMTWEST to UTCWEST to CETEST to CSTPST to CSTGMT to CSTUTC to CSTCET to CST
Looking for local time? See time in Lisbon or time in Chicago.

Frequently asked questions

What is the time difference between WEST and CST right now?+
CST (Central Standard Time) is currently 6 hours behind WEST (Western European Summer Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does WEST or CST observe daylight saving time?+
WEST: observes daylight saving time. CST: observes daylight saving time.
When is the best time to schedule a meeting between WEST and CST?+
The strongest overlap is 15:00–16:00 WEST (09:00–10:00 CST), giving 2 hours when both sides are within standard 9am-5pm working hours.
What time is it in Chicago when it is 12:00 noon in Lisbon?+
When it is 12:00 Sat in Lisbon (WEST), it is 06:00 Sat in Chicago (CST).
Which IANA time zone identifiers are used for WEST and CST?+
WEST maps to "Europe/Lisbon" 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 Lisbon ahead of or behind Chicago?+
Whether Lisbon (WEST) is ahead of or behind Chicago (CST) depends on the current UTC offsets. Right now CST is 6 hours behind WEST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for WEST and CST?+
WEST is UTC+01:00 (GMT+1) 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 WEST and CST?+
Yes. There are 2 hours of overlap during standard 9am-5pm working hours, with the strongest window at 15:00–16:00 WEST.