Offset
The time difference between Central Time and Reykjavík is 5 hours.
Central Time (CDT) is behind Reykjavík (GMT).
CDT: UTC-5
GMT: UTC
Central Time is currently observing daylight saving time; Reykjavík is not.
When to schedule
Business-hours overlap: 9 AM–12 PM in Central Time (2 PM–5 PM in Reykjavík).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Central Time (3:00 PM Reykjavík).
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
Iceland
- New Year's DayThu, Jan 1
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- First Day of SummerThu, Apr 23
- May DayFri, May 1
- Ascension DayThu, May 14
- PentecostSun, May 24
- Whit MondayMon, May 25
- Icelandic National DayWed, Jun 17
- Commerce DayMon, Aug 3
- Christmas EveThu, Dec 24
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
- New Year's EveThu, Dec 31
About these zones
Central Time is also known as CST, or CDT. To call United States, dial +1.
Reykjavík uses Greenwich Mean Time. To call Iceland, dial +354.
Reykjavík is approximately 2,950 miles northeast of Central Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| CST | Reykjavík | Day |
|---|---|---|
| 12:00 am | 5:00 am | Same day |
| 1:00 am | 6:00 am | Same day |
| 2:00 am | 7:00 am | Same day |
| 3:00 am | 8:00 am | Same day |
| 4:00 am | 9:00 am | Same day |
| 5:00 am | 10:00 am | Same day |
| 6:00 am | 11:00 am | Same day |
| 7:00 am | 12:00 pm | Same day |
| 8:00 am | 1:00 pm | Same day |
| 9:00 am | 2:00 pm | Same day |
| 10:00 am | 3:00 pm | Same day |
| 11:00 am | 4:00 pm | Same day |
| 12:00 pm | 5:00 pm | Same day |
| 1:00 pm | 6:00 pm | Same day |
| 2:00 pm | 7:00 pm | Same day |
| 3:00 pm | 8:00 pm | Same day |
| 4:00 pm | 9:00 pm | Same day |
| 5:00 pm | 10:00 pm | Same day |
| 6:00 pm | 11:00 pm | Same day |
| 7:00 pm | 12:00 am | +1 day |
| 8:00 pm | 1:00 am | +1 day |
| 9:00 pm | 2:00 am | +1 day |
| 10:00 pm | 3:00 am | +1 day |
| 11:00 pm | 4:00 am | +1 day |
Daylight saving time
Central Time observes daylight saving time; Reykjavík does not. The offset between the two zones changes when Central Time transitions: on Sunday, November 1, 2026, clocks fall back from CDT to CST.
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
- 3:05 AM
- Sunset
- 11:51 PM
- Day length
- 20h 46m
Daylight overlap: 13h 35m — 5:16 AM–6:51 PM in Central Time (10:16 AM–11:51 PM in Reykjavík). Both locations are in daylight during this window.
Cities in these zones
Cities in Central 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
- KEF
- RKV
Related conversions
Common conversions
- What is 9:00 am CST in Reykjavík?
- 9:00 am CST is 2:00 pm Reykjavík.
- What is 12:00 pm CST in Reykjavík?
- 12:00 pm CST is 5:00 pm Reykjavík.
- What is 12:30 pm CST in Reykjavík?
- 12:30 pm CST is 5:30 pm Reykjavík.
- What is 2:00 pm CST in Reykjavík?
- 2:00 pm CST is 7:00 pm Reykjavík.
- What is 5:00 pm CST in Reykjavík?
- 5:00 pm CST is 10:00 pm Reykjavík.
- What is 11:30 pm CST in Reykjavík?
- 11:30 pm CST is 4:30 am Reykjavík, the next day.