CST: Central Time
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CST to BST: convert Central Time to British Time
On January 15 and July 15, 2026, BST is 6 hours ahead of CST.
These are dated examples. Select your actual date below: regions can change clocks on different dates, so the gap between the examples may differ.
CST also abbreviates China Standard Time (UTC+8) and Cuba Standard Time (UTC-5). These pages use the North American meaning.
The United Kingdom uses GMT in winter and BST (British Summer Time) in summer. BST also abbreviates Bangladesh Standard Time (UTC+6).
One instant, two local clocks
Drag one day across both zones
Shared instant12:00 UTC
Difference nowBST is 6 hours ahead
CSTCentral Time
06:00Thu, Jan 15
BSTBritish Time
12:00Thu, Jan 15
Approximate daylight 09:00 to 17:00 Selected local time
Both lanes show the same instant. Local dates, daylight, and offsets come from each IANA zone on the selected date, so daylight saving changes are included.
Right now
BST: British Time
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Local times come from your browser's IANA time zone data.
CST to BST hour by hour
This table uses January 15 and July 15, 2026, at noon UTC. These are sample dates, not season-wide rules. Northern and southern regions follow different schedules, and transition weeks can have another gap. Use the date control above for the day you are planning.
| CST | BST (Jan 15 and Jul 15) |
|---|---|
| 12:00 AM | 6:00 AM |
| 1:00 AM | 7:00 AM |
| 2:00 AM | 8:00 AM |
| 3:00 AM | 9:00 AM |
| 4:00 AM | 10:00 AM |
| 5:00 AM | 11:00 AM |
| 6:00 AM | 12:00 PM |
| 7:00 AM | 1:00 PM |
| 8:00 AM | 2:00 PM |
| 9:00 AM | 3:00 PM |
| 10:00 AM | 4:00 PM |
| 11:00 AM | 5:00 PM |
| 12:00 PM | 6:00 PM |
| 1:00 PM | 7:00 PM |
| 2:00 PM | 8:00 PM |
| 3:00 PM | 9:00 PM |
| 4:00 PM | 10:00 PM |
| 5:00 PM | 11:00 PM |
| 6:00 PM | 12:00 AM (next day) |
| 7:00 PM | 1:00 AM (next day) |
| 8:00 PM | 2:00 AM (next day) |
| 9:00 PM | 3:00 AM (next day) |
| 10:00 PM | 4:00 AM (next day) |
| 11:00 PM | 5:00 AM (next day) |
Scheduling a call between CST and BST
The examples assume 9 AM to 5 PM on a working day in both places. They do not check weekends, local holidays, or individual schedules.
Standard business hours (9:00 AM to 5:00 PM) overlap on January 15 and July 15 from 9:00 AM to 11:00 AM in CST, which is 3:00 PM to 5:00 PM in BST.
More CST conversions
Offsets are computed from the IANA time zone database for January 15 and July 15, 2026. CST here means Central Time (United States and Canada); BST means British Time (United Kingdom).