Offset
The time difference between Central Time and Belfast is 6 hours.
Central Time (CDT) is behind Belfast (BST).
CDT: UTC-5
BST: UTC+1
Both zones are currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–11 AM in Central Time (3 PM–5 PM in Belfast).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Central Time (4:00 PM Belfast).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
United Kingdom
- Good FridayFri, Apr 3
- Early May Bank HolidayMon, May 4
- Spring Bank HolidayMon, May 25
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Central Time is also known as CST, or CDT. To call United States, dial +1.
Belfast uses Greenwich Mean Time (GMT, or BST). To call United Kingdom, dial +44.
Belfast is approximately 3,650 miles northeast of Central Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| CST | Belfast | Day |
|---|---|---|
| 12:00 am | 6:00 am | Same day |
| 1:00 am | 7:00 am | Same day |
| 2:00 am | 8:00 am | Same day |
| 3:00 am | 9:00 am | Same day |
| 4:00 am | 10:00 am | Same day |
| 5:00 am | 11:00 am | Same day |
| 6:00 am | 12:00 pm | Same day |
| 7:00 am | 1:00 pm | Same day |
| 8:00 am | 2:00 pm | Same day |
| 9:00 am | 3:00 pm | Same day |
| 10:00 am | 4:00 pm | Same day |
| 11:00 am | 5:00 pm | Same day |
| 12:00 pm | 6:00 pm | Same day |
| 1:00 pm | 7:00 pm | Same day |
| 2:00 pm | 8:00 pm | Same day |
| 3:00 pm | 9:00 pm | Same day |
| 4:00 pm | 10:00 pm | Same day |
| 5:00 pm | 11:00 pm | Same day |
| 6:00 pm | 12:00 am | +1 day |
| 7:00 pm | 1:00 am | +1 day |
| 8:00 pm | 2:00 am | +1 day |
| 9:00 pm | 3:00 am | +1 day |
| 10:00 pm | 4:00 am | +1 day |
| 11:00 pm | 5:00 am | +1 day |
Daylight saving time
Both zones observe daylight saving time, but they transition on different dates.
Central Time: next transition on Sunday, November 1, 2026.
Belfast: next transition on Sunday, October 25, 2026.
For approximately 7 days between transitions, the offset between Central Time and Belfast differs from its typical value. Recurring meetings during this window will shift by one hour.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:16 AM
- Sunset
- 8:26 PM
- Day length
- 15h 10m
- Sunrise
- 4:49 AM
- Sunset
- 9:59 PM
- Day length
- 17h 9m
Daylight overlap: 10h 43m — 5:16 AM–3:59 PM in Central Time (11:16 AM–9:59 PM in Belfast). Both locations are in daylight during this window.
Cities in these zones
Cities in Central Time
Other cities in Greenwich Mean Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central Time
- GYY
- MDW
- ORD
- HOU
- IAH
- SAT
- DAL
- DFW
- AUS
- BNA
Airports in Greenwich Mean Time
- LCY
- LGW
- LHR
- LTN
- STN
- BHX
- EMA
- GLA
- PIK
- LBA
Related conversions
Common conversions
- What is 9:00 am CST in Belfast?
- 9:00 am CST is 3:00 pm Belfast.
- What is 12:00 pm CST in Belfast?
- 12:00 pm CST is 6:00 pm Belfast.
- What is 12:30 pm CST in Belfast?
- 12:30 pm CST is 6:30 pm Belfast.
- What is 2:00 pm CST in Belfast?
- 2:00 pm CST is 8:00 pm Belfast.
- What is 5:00 pm CST in Belfast?
- 5:00 pm CST is 11:00 pm Belfast.
- What is 11:30 pm CST in Belfast?
- 11:30 pm CST is 5:30 am Belfast, the next day.