Clockjumper

Timezone conversion

CST to London Time — Convert Central Standard Time (US) to London

London is currently 6 hours ahead of CST, and that is the gap for most of the year. Because the two regions change their clocks on different dates, the gap differs by an hour for a short period each spring and each autumn.

London is currently 6 hours ahead of CST.

CSTCDT (UTC-5)
9:34 AM
Thursday, Sep 10
LondonBST (UTC+1)
3:34 PM
Thursday, Sep 10

Abbreviation disambiguation

On Clockjumper, CST refers to US Central Standard Time (UTC−6). The same three letters are also used for China Standard Time (UTC+8) and Cuba Standard Time (UTC−5) — check the city or UTC offset to be sure which is meant.

Interactive converter

From

12:00PM

To

Select both cities to see the converted time.

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Full CST to London conversion table

CSTLondon
12:00 AM6:00 AM
1:00 AM7:00 AM
2:00 AM8:00 AM
3:00 AM9:00 AM
4:00 AM10:00 AM
5:00 AM11:00 AM
6:00 AM12:00 PM
7:00 AM1:00 PM
8:00 AM2:00 PM
9:00 AM3:00 PM
10:00 AM4:00 PM
11:00 AM5:00 PM
12:00 PM6:00 PM
1:00 PM7:00 PM
2:00 PM8:00 PM
3:00 PM9:00 PM
4:00 PM10:00 PM
5:00 PM11:00 PM
6:00 PM12:00 AM(next day)
7:00 PM1:00 AM(next day)
8:00 PM2:00 AM(next day)
9:00 PM3:00 AM(next day)
10:00 PM4:00 AM(next day)
11:00 PM5:00 AM(next day)

Daylight saving and how the gap changes

London is 6 hours ahead of CST for most of the year. Central Standard Time (US) and London both observe daylight saving, but they change their clocks on different dates, so for a short period each spring and each autumn the gap differs by an hour — the converter above always reflects the correct offset for the date you pick.

Frequently asked questions

Is London ahead of or behind CST right now?
London is currently 6 hours ahead of CST.
What is the current CST to London time difference?
Right now the gap is 6 hours — London is 6 hours ahead of CST.
Does the CST → London offset change during the year?
Yes, briefly. For most of the year London is 6 hours ahead of CST, but Central Standard Time (US) and London change their clocks on different dates, so for a short period each spring and each autumn the gap differs by an hour. The converter above always reflects the correct offset for the date you pick.
Does CST observe daylight saving time?
CST is itself the standard-time form. Central Standard Time (US) is in force at UTC-6 through the winter months; outside that window the same zone is on CDT (UTC-5).
Does London observe daylight saving time?
Yes — London observes DST, so its UTC offset shifts by 1 hour between winter and summer.
What time is 3 AM CST in London?
3:00 AM CST is 9:00 AM London.
What time is 8 AM CST in London?
8:00 AM CST is 2:00 PM London.
What time is 9 AM CST in London?
9:00 AM CST is 3:00 PM London.
What time is 10 AM CST in London?
10:00 AM CST is 4:00 PM London.
What time is 11 AM CST in London?
11:00 AM CST is 5:00 PM London.
What time is 12 PM (noon) CST in London?
12:00 PM CST is 6:00 PM London.
What time is 2 PM CST in London?
2:00 PM CST is 8:00 PM London.
What time is 3 PM CST in London?
3:00 PM CST is 9:00 PM London.
What time is 4 PM CST in London?
4:00 PM CST is 10:00 PM London.
What time is 5 PM CST in London?
5:00 PM CST is 11:00 PM London.
What time is 9 PM CST in London?
9:00 PM CST is 3:00 AM (next day) London.
What time is 10 PM CST in London?
10:00 PM CST is 4:00 AM (next day) London.
When is the best time to schedule a call between CST and London?
The working-hours overlap (09:00–17:00 in both zones) runs roughly 9:00 AM – 11:00 AM CST (≈ 2 hours). The midpoint of that window — 10:00 AM CST, 4:00 PM London — is the safest single slot to propose for a live call.
What time zone does CST refer to?
CST refers to Central Standard Time (US) (IANA: America/Chicago).
What time zone does London refer to?
London uses the Europe/London time zone.
Is CST on this page the same as other zones that share the letters "CST"?
On Clockjumper, CST refers to US Central Standard Time (UTC−6). The same three letters are also used for China Standard Time (UTC+8) and Cuba Standard Time (UTC−5) — check the city or UTC offset to be sure which is meant.