Time Difference Between Oklahoma City and London

The time difference between Oklahoma City and London is 6 hours. When it is 12:00 noon in Oklahoma City, it is 18:00 in London. Oklahoma City uses the America/Chicago time zone (UTC-6), while London uses Europe/London (UTC+0).

London is 6 hours ahead of Oklahoma City — 6 hours
Oklahoma City, United States
11:01:45
Saturday, November 7, 2026
UTC-6 · CST
↔
London, United Kingdom
17:01:45
Saturday, November 7, 2026
UTC+0 · GMT

Time Zone Details: Oklahoma City vs London

Detail Oklahoma City London
Time Zone IDAmerica/ChicagoEurope/London
UTC OffsetUTC-6UTC+0
AbbreviationCSTGMT
DST ActiveNoNo
CountryUnited StatesUnited Kingdom
RegionNorth AmericaEurope

Best Time to Schedule a Call

There are 2 overlapping business hours between Oklahoma City and London (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

09:00–11:00 in Oklahoma City  =  15:00–17:00 in London

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Oklahoma City time to London time. Rows highlighted in green indicate overlapping business hours in both cities.

Oklahoma City London
00:00 06:00 Night
01:00 07:00 Night
02:00 08:00 Night
03:00 09:00 Night
04:00 10:00 Night
05:00 11:00 Night
06:00 12:00
07:00 13:00
08:00 14:00
09:00 15:00 Overlap
10:00 16:00 Overlap
11:00 17:00
12:00 18:00
13:00 19:00
14:00 20:00
15:00 21:00
16:00 22:00
17:00 23:00
18:00 00:00 (+1 day)
19:00 01:00 (+1 day)
20:00 02:00 (+1 day)
21:00 03:00 (+1 day)
22:00 04:00 (+1 day) Night
23:00 05:00 (+1 day) Night

Daylight Saving Time (DST) Impact

Neither Oklahoma City nor London is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Oklahoma City–London Scheduling

Compare Oklahoma City and London with Other Cities

From Oklahoma City

From London

Frequently Asked Questions

What is the time difference between Oklahoma City and London?

The time difference is 6 hours. London is 6 hours ahead of Oklahoma City.

Does the time difference change during the year?

It can. If either Oklahoma City or London observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Oklahoma City to London?

The best window is between 09:00 and 11:00 Oklahoma City time, which corresponds to 15:00–17:00 in London. Both sides fall within normal business hours.

How do I convert Oklahoma City time to London time?

Add 6 hours to Oklahoma City time to get London time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.